diff --git a/app/schemas/io.nekohasekai.sagernet.database.SagerDatabase/3.json b/app/schemas/io.nekohasekai.sagernet.database.SagerDatabase/3.json
new file mode 100644
index 0000000..491eb6f
--- /dev/null
+++ b/app/schemas/io.nekohasekai.sagernet.database.SagerDatabase/3.json
@@ -0,0 +1,360 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 3,
+    "identityHash": "cff00d0142d9e53d2ca24a6a55cd213c",
+    "entities": [
+      {
+        "tableName": "proxy_groups",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `userOrder` INTEGER NOT NULL, `ungrouped` INTEGER NOT NULL, `name` TEXT, `type` INTEGER NOT NULL, `subscription` BLOB, `order` INTEGER NOT NULL, `isSelector` INTEGER NOT NULL, `frontProxy` INTEGER NOT NULL, `landingProxy` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userOrder",
+            "columnName": "userOrder",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "ungrouped",
+            "columnName": "ungrouped",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subscription",
+            "columnName": "subscription",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "order",
+            "columnName": "order",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isSelector",
+            "columnName": "isSelector",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "frontProxy",
+            "columnName": "frontProxy",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "landingProxy",
+            "columnName": "landingProxy",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "proxy_entities",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `groupId` INTEGER NOT NULL, `type` INTEGER NOT NULL, `userOrder` INTEGER NOT NULL, `tx` INTEGER NOT NULL, `rx` INTEGER NOT NULL, `status` INTEGER NOT NULL, `ping` INTEGER NOT NULL, `uuid` TEXT NOT NULL, `error` TEXT, `socksBean` BLOB, `httpBean` BLOB, `ssBean` BLOB, `vmessBean` BLOB, `trojanBean` BLOB, `trojanGoBean` BLOB, `mieruBean` BLOB, `naiveBean` BLOB, `hysteriaBean` BLOB, `tuicBean` BLOB, `sshBean` BLOB, `wgBean` BLOB, `shadowTLSBean` BLOB, `chainBean` BLOB, `nekoBean` BLOB, `configBean` BLOB)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "groupId",
+            "columnName": "groupId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userOrder",
+            "columnName": "userOrder",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "tx",
+            "columnName": "tx",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "rx",
+            "columnName": "rx",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "status",
+            "columnName": "status",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "ping",
+            "columnName": "ping",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "uuid",
+            "columnName": "uuid",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "error",
+            "columnName": "error",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "socksBean",
+            "columnName": "socksBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "httpBean",
+            "columnName": "httpBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "ssBean",
+            "columnName": "ssBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "vmessBean",
+            "columnName": "vmessBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "trojanBean",
+            "columnName": "trojanBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "trojanGoBean",
+            "columnName": "trojanGoBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "mieruBean",
+            "columnName": "mieruBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "naiveBean",
+            "columnName": "naiveBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "hysteriaBean",
+            "columnName": "hysteriaBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "tuicBean",
+            "columnName": "tuicBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "sshBean",
+            "columnName": "sshBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "wgBean",
+            "columnName": "wgBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "shadowTLSBean",
+            "columnName": "shadowTLSBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "chainBean",
+            "columnName": "chainBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "nekoBean",
+            "columnName": "nekoBean",
+            "affinity": "BLOB",
+            "notNull": false
+          },
+          {
+            "fieldPath": "configBean",
+            "columnName": "configBean",
+            "affinity": "BLOB",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [
+          {
+            "name": "groupId",
+            "unique": false,
+            "columnNames": [
+              "groupId"
+            ],
+            "orders": [],
+            "createSql": "CREATE INDEX IF NOT EXISTS `groupId` ON `${TABLE_NAME}` (`groupId`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "rules",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `name` TEXT NOT NULL, `userOrder` INTEGER NOT NULL, `enabled` INTEGER NOT NULL, `domains` TEXT NOT NULL, `ip` TEXT NOT NULL, `port` TEXT NOT NULL, `sourcePort` TEXT NOT NULL, `network` TEXT NOT NULL, `source` TEXT NOT NULL, `protocol` TEXT NOT NULL, `outbound` INTEGER NOT NULL, `packages` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userOrder",
+            "columnName": "userOrder",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "enabled",
+            "columnName": "enabled",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "domains",
+            "columnName": "domains",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "ip",
+            "columnName": "ip",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "port",
+            "columnName": "port",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sourcePort",
+            "columnName": "sourcePort",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "network",
+            "columnName": "network",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "source",
+            "columnName": "source",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "protocol",
+            "columnName": "protocol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "outbound",
+            "columnName": "outbound",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "packages",
+            "columnName": "packages",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'cff00d0142d9e53d2ca24a6a55cd213c')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index c132174..bd284c0 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -164,6 +164,9 @@
         <activity
             android:name="io.nekohasekai.sagernet.ui.profile.TrojanGoSettingsActivity"
             android:configChanges="uiMode" />
+        <activity
+            android:name="io.nekohasekai.sagernet.ui.profile.MieruSettingsActivity"
+            android:configChanges="uiMode" />
         <activity
             android:name="io.nekohasekai.sagernet.ui.profile.NaiveSettingsActivity"
             android:configChanges="uiMode" />
diff --git a/app/src/main/java/io/nekohasekai/sagernet/bg/proto/BoxInstance.kt b/app/src/main/java/io/nekohasekai/sagernet/bg/proto/BoxInstance.kt
index feaca9b..0f20337 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/bg/proto/BoxInstance.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/bg/proto/BoxInstance.kt
@@ -10,6 +10,8 @@ import io.nekohasekai.sagernet.fmt.ConfigBuildResult
 import io.nekohasekai.sagernet.fmt.buildConfig
 import io.nekohasekai.sagernet.fmt.hysteria.HysteriaBean
 import io.nekohasekai.sagernet.fmt.hysteria.buildHysteria1Config
+import io.nekohasekai.sagernet.fmt.mieru.MieruBean
+import io.nekohasekai.sagernet.fmt.mieru.buildMieruConfig
 import io.nekohasekai.sagernet.fmt.naive.NaiveBean
 import io.nekohasekai.sagernet.fmt.naive.buildNaiveConfig
 import io.nekohasekai.sagernet.fmt.trojan_go.TrojanGoBean
@@ -65,6 +67,11 @@ abstract class BoxInstance(
                         pluginConfigs[port] = profile.type to bean.buildTrojanGoConfig(port)
                     }
 
+                    is MieruBean -> {
+                        initPlugin("mieru-plugin")
+                        pluginConfigs[port] = profile.type to bean.buildMieruConfig(port)
+                    }
+
                     is NaiveBean -> {
                         initPlugin("naive-plugin")
                         pluginConfigs[port] = profile.type to bean.buildNaiveConfig(port)
@@ -129,6 +136,25 @@ abstract class BoxInstance(
                         processes.start(commands)
                     }
 
+                    bean is MieruBean -> {
+                        val configFile = File(
+                            cacheDir, "mieru_" + SystemClock.elapsedRealtime() + ".json"
+                        )
+
+                        configFile.parentFile?.mkdirs()
+                        configFile.writeText(config)
+                        cacheFiles.add(configFile)
+
+                        val envMap = mutableMapOf<String, String>()
+                        envMap["MIERU_CONFIG_JSON_FILE"] = configFile.absolutePath
+
+                        val commands = mutableListOf(
+                            initPlugin("mieru-plugin").path, "run",
+                        )
+
+                        processes.start(commands, envMap)
+                    }
+
                     bean is NaiveBean -> {
                         val configFile = File(
                             cacheDir, "naive_" + SystemClock.elapsedRealtime() + ".json"
diff --git a/app/src/main/java/io/nekohasekai/sagernet/database/ProxyEntity.kt b/app/src/main/java/io/nekohasekai/sagernet/database/ProxyEntity.kt
index 401b468..45f0a31 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/database/ProxyEntity.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/database/ProxyEntity.kt
@@ -11,6 +11,8 @@ import io.nekohasekai.sagernet.fmt.http.HttpBean
 import io.nekohasekai.sagernet.fmt.http.toUri
 import io.nekohasekai.sagernet.fmt.hysteria.*
 import io.nekohasekai.sagernet.fmt.internal.ChainBean
+import io.nekohasekai.sagernet.fmt.mieru.MieruBean
+import io.nekohasekai.sagernet.fmt.mieru.buildMieruConfig
 import io.nekohasekai.sagernet.fmt.naive.NaiveBean
 import io.nekohasekai.sagernet.fmt.naive.buildNaiveConfig
 import io.nekohasekai.sagernet.fmt.naive.toUri
@@ -56,6 +58,7 @@ data class ProxyEntity(
     var vmessBean: VMessBean? = null,
     var trojanBean: TrojanBean? = null,
     var trojanGoBean: TrojanGoBean? = null,
+    var mieruBean: MieruBean? = null,
     var naiveBean: NaiveBean? = null,
     var hysteriaBean: HysteriaBean? = null,
     var tuicBean: TuicBean? = null,
@@ -75,6 +78,7 @@ data class ProxyEntity(
         const val TYPE_TROJAN = 6
 
         const val TYPE_TROJAN_GO = 7
+        const val TYPE_MIERU = 21
         const val TYPE_NAIVE = 9
         const val TYPE_HYSTERIA = 15
         const val TYPE_TUIC = 20
@@ -161,6 +165,7 @@ data class ProxyEntity(
             TYPE_VMESS -> vmessBean = KryoConverters.vmessDeserialize(byteArray)
             TYPE_TROJAN -> trojanBean = KryoConverters.trojanDeserialize(byteArray)
             TYPE_TROJAN_GO -> trojanGoBean = KryoConverters.trojanGoDeserialize(byteArray)
+            TYPE_MIERU -> mieruBean = KryoConverters.mieruDeserialize(byteArray)
             TYPE_NAIVE -> naiveBean = KryoConverters.naiveDeserialize(byteArray)
             TYPE_HYSTERIA -> hysteriaBean = KryoConverters.hysteriaDeserialize(byteArray)
             TYPE_SSH -> sshBean = KryoConverters.sshDeserialize(byteArray)
@@ -180,6 +185,7 @@ data class ProxyEntity(
         TYPE_VMESS -> if (vmessBean!!.isVLESS) "VLESS" else "VMess"
         TYPE_TROJAN -> "Trojan"
         TYPE_TROJAN_GO -> "Trojan-Go"
+        TYPE_MIERU -> "Mieru"
         TYPE_NAIVE -> "Naïve"
         TYPE_HYSTERIA -> "Hysteria" + hysteriaBean!!.protocolVersion
         TYPE_SSH -> "SSH"
@@ -203,6 +209,7 @@ data class ProxyEntity(
             TYPE_VMESS -> vmessBean
             TYPE_TROJAN -> trojanBean
             TYPE_TROJAN_GO -> trojanGoBean
+            TYPE_MIERU -> mieruBean
             TYPE_NAIVE -> naiveBean
             TYPE_HYSTERIA -> hysteriaBean
             TYPE_SSH -> sshBean
@@ -270,6 +277,11 @@ data class ProxyEntity(
                                 append(bean.buildTrojanGoConfig(port))
                             }
 
+                            is MieruBean -> {
+                                append("\n\n")
+                                append(bean.buildMieruConfig(port))
+                            }
+
                             is NaiveBean -> {
                                 append("\n\n")
                                 append(bean.buildNaiveConfig(port))
@@ -289,6 +301,7 @@ data class ProxyEntity(
     fun needExternal(): Boolean {
         return when (type) {
             TYPE_TROJAN_GO -> true
+            TYPE_MIERU -> true
             TYPE_NAIVE -> true
             TYPE_HYSTERIA -> !hysteriaBean!!.canUseSingBox()
             TYPE_NEKO -> true
@@ -319,6 +332,7 @@ data class ProxyEntity(
         vmessBean = null
         trojanBean = null
         trojanGoBean = null
+        mieruBean = null
         naiveBean = null
         hysteriaBean = null
         sshBean = null
@@ -360,6 +374,11 @@ data class ProxyEntity(
                 trojanGoBean = bean
             }
 
+            is MieruBean -> {
+                type = TYPE_MIERU
+                mieruBean = bean
+            }
+
             is NaiveBean -> {
                 type = TYPE_NAIVE
                 naiveBean = bean
@@ -419,6 +438,7 @@ data class ProxyEntity(
                 TYPE_VMESS -> VMessSettingsActivity::class.java
                 TYPE_TROJAN -> TrojanSettingsActivity::class.java
                 TYPE_TROJAN_GO -> TrojanGoSettingsActivity::class.java
+                TYPE_MIERU -> MieruSettingsActivity::class.java
                 TYPE_NAIVE -> NaiveSettingsActivity::class.java
                 TYPE_HYSTERIA -> HysteriaSettingsActivity::class.java
                 TYPE_SSH -> SSHSettingsActivity::class.java
diff --git a/app/src/main/java/io/nekohasekai/sagernet/database/SagerDatabase.kt b/app/src/main/java/io/nekohasekai/sagernet/database/SagerDatabase.kt
index 4d57ed3..9f63fbb 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/database/SagerDatabase.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/database/SagerDatabase.kt
@@ -15,7 +15,7 @@ import kotlinx.coroutines.launch
 
 @Database(
     entities = [ProxyGroup::class, ProxyEntity::class, RuleEntity::class],
-    version = 2
+    version = 3
 )
 @TypeConverters(value = [KryoConverters::class, GsonConverters::class])
 @GenerateRoomMigrations
diff --git a/app/src/main/java/io/nekohasekai/sagernet/fmt/KryoConverters.java b/app/src/main/java/io/nekohasekai/sagernet/fmt/KryoConverters.java
index b9a6338..627ea35 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/fmt/KryoConverters.java
+++ b/app/src/main/java/io/nekohasekai/sagernet/fmt/KryoConverters.java
@@ -13,6 +13,7 @@ import io.nekohasekai.sagernet.database.SubscriptionBean;
 import io.nekohasekai.sagernet.fmt.http.HttpBean;
 import io.nekohasekai.sagernet.fmt.hysteria.HysteriaBean;
 import io.nekohasekai.sagernet.fmt.internal.ChainBean;
+import io.nekohasekai.sagernet.fmt.mieru.MieruBean;
 import io.nekohasekai.sagernet.fmt.naive.NaiveBean;
 import io.nekohasekai.sagernet.fmt.shadowsocks.ShadowsocksBean;
 import moe.matsuri.nb4a.proxy.shadowtls.ShadowTLSBean;
@@ -99,6 +100,12 @@ public class KryoConverters {
         return deserialize(new TrojanGoBean(), bytes);
     }
 
+    @TypeConverter
+    public static MieruBean mieruDeserialize(byte[] bytes) {
+        if (JavaUtil.isEmpty(bytes)) return null;
+        return deserialize(new MieruBean(), bytes);
+    }
+
     @TypeConverter
     public static NaiveBean naiveDeserialize(byte[] bytes) {
         if (JavaUtil.isEmpty(bytes)) return null;
diff --git a/app/src/main/java/io/nekohasekai/sagernet/fmt/PluginEntry.kt b/app/src/main/java/io/nekohasekai/sagernet/fmt/PluginEntry.kt
index ee26953..42769e2 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/fmt/PluginEntry.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/fmt/PluginEntry.kt
@@ -14,6 +14,16 @@ enum class PluginEntry(
         SagerNet.application.getString(R.string.action_trojan_go),
         "io.nekohasekai.sagernet.plugin.trojan_go"
     ),
+    MieruProxy(
+        "mieru-plugin",
+        SagerNet.application.getString(R.string.action_mieru),
+        "moe.matsuri.exe.mieru",
+        DownloadSource(
+            playStore = false,
+            fdroid = false,
+            downloadLink = "https://github.com/MatsuriDayo/plugins/releases?q=mieru"
+        )
+    ),
     NaiveProxy(
         "naive-plugin",
         SagerNet.application.getString(R.string.action_naive),
diff --git a/app/src/main/java/io/nekohasekai/sagernet/fmt/TypeMap.kt b/app/src/main/java/io/nekohasekai/sagernet/fmt/TypeMap.kt
index c55c58b..12554a1 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/fmt/TypeMap.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/fmt/TypeMap.kt
@@ -10,6 +10,7 @@ object TypeMap : HashMap<String, Int>() {
         this["vmess"] = ProxyEntity.TYPE_VMESS
         this["trojan"] = ProxyEntity.TYPE_TROJAN
         this["trojan-go"] = ProxyEntity.TYPE_TROJAN_GO
+        this["mieru"] = ProxyEntity.TYPE_MIERU
         this["naive"] = ProxyEntity.TYPE_NAIVE
         this["hysteria"] = ProxyEntity.TYPE_HYSTERIA
         this["ssh"] = ProxyEntity.TYPE_SSH
diff --git a/app/src/main/java/io/nekohasekai/sagernet/fmt/mieru/MieruBean.java b/app/src/main/java/io/nekohasekai/sagernet/fmt/mieru/MieruBean.java
new file mode 100644
index 0000000..0a7c21f
--- /dev/null
+++ b/app/src/main/java/io/nekohasekai/sagernet/fmt/mieru/MieruBean.java
@@ -0,0 +1,89 @@
+/******************************************************************************
+ * Copyright (C) 2022 by nekohasekai <contact-git@sekai.icu>                  *
+ *                                                                            *
+ * This program is free software: you can redistribute it and/or modify       *
+ * it under the terms of the GNU General Public License as published by       *
+ * the Free Software Foundation, either version 3 of the License, or          *
+ *  (at your option) any later version.                                       *
+ *                                                                            *
+ * This program is distributed in the hope that it will be useful,            *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
+ * GNU General Public License for more details.                               *
+ *                                                                            *
+ * You should have received a copy of the GNU General Public License          *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.       *
+ *                                                                            *
+ ******************************************************************************/
+
+package io.nekohasekai.sagernet.fmt.mieru;
+
+import androidx.annotation.NonNull;
+
+import com.esotericsoftware.kryo.io.ByteBufferInput;
+import com.esotericsoftware.kryo.io.ByteBufferOutput;
+
+import org.jetbrains.annotations.NotNull;
+
+import io.nekohasekai.sagernet.fmt.AbstractBean;
+import io.nekohasekai.sagernet.fmt.KryoConverters;
+
+public class MieruBean extends AbstractBean {
+
+    public String protocol;
+    public String username;
+    public String password;
+    public Integer mtu;
+
+    @Override
+    public void initializeDefaultValues() {
+        super.initializeDefaultValues();
+        if (protocol == null) protocol = "TCP";
+        if (username == null) username = "";
+        if (password == null) password = "";
+        if (mtu == null) mtu = 1400;
+    }
+
+    @Override
+    public void serialize(ByteBufferOutput output) {
+        output.writeInt(0);
+        super.serialize(output);
+        output.writeString(protocol);
+        output.writeString(username);
+        output.writeString(password);
+        if (protocol.equals("UDP")) {
+            output.writeInt(mtu);
+        }
+    }
+
+    @Override
+    public void deserialize(ByteBufferInput input) {
+        int version = input.readInt();
+        super.deserialize(input);
+        protocol = input.readString();
+        username = input.readString();
+        password = input.readString();
+        if (protocol.equals("UDP")) {
+            mtu = input.readInt();
+        }
+    }
+
+    @NotNull
+    @Override
+    public MieruBean clone() {
+        return KryoConverters.deserialize(new MieruBean(), KryoConverters.serialize(this));
+    }
+
+    public static final Creator<MieruBean> CREATOR = new CREATOR<MieruBean>() {
+        @NonNull
+        @Override
+        public MieruBean newInstance() {
+            return new MieruBean();
+        }
+
+        @Override
+        public MieruBean[] newArray(int size) {
+            return new MieruBean[size];
+        }
+    };
+}
diff --git a/app/src/main/java/io/nekohasekai/sagernet/fmt/mieru/MieruFmt.kt b/app/src/main/java/io/nekohasekai/sagernet/fmt/mieru/MieruFmt.kt
new file mode 100644
index 0000000..4085216
--- /dev/null
+++ b/app/src/main/java/io/nekohasekai/sagernet/fmt/mieru/MieruFmt.kt
@@ -0,0 +1,53 @@
+/******************************************************************************
+ * Copyright (C) 2022 by nekohasekai <contact-git@sekai.icu>                  *
+ *                                                                            *
+ * This program is free software: you can redistribute it and/or modify       *
+ * it under the terms of the GNU General Public License as published by       *
+ * the Free Software Foundation, either version 3 of the License, or          *
+ *  (at your option) any later version.                                       *
+ *                                                                            *
+ * This program is distributed in the hope that it will be useful,            *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
+ * GNU General Public License for more details.                               *
+ *                                                                            *
+ * You should have received a copy of the GNU General Public License          *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.       *
+ *                                                                            *
+ ******************************************************************************/
+
+package io.nekohasekai.sagernet.fmt.mieru
+
+import io.nekohasekai.sagernet.ktx.toStringPretty
+import org.json.JSONArray
+import org.json.JSONObject
+
+fun MieruBean.buildMieruConfig(port: Int): String {
+    val serverInfo = JSONArray().apply {
+        put(JSONObject().apply {
+            put("ipAddress", finalAddress)
+            put("portBindings", JSONArray().apply {
+                put(JSONObject().apply {
+                    put("port", finalPort)
+                    put("protocol", protocol)
+                })
+            })
+        })
+    }
+    return JSONObject().apply {
+        put("activeProfile", "default")
+        put("socks5Port", port)
+        // TODO: follow NekoBox logging level.
+        put("loggingLevel", "INFO")
+        put("profiles", JSONArray().apply {
+            put(JSONObject().apply {
+                put("profileName", "default")
+                put("user", JSONObject().apply {
+                    put("name", username)
+                    put("password", password)
+                })
+                put("servers", serverInfo)
+            })
+        })
+    }.toStringPretty()
+}
diff --git a/app/src/main/java/io/nekohasekai/sagernet/ui/ConfigurationFragment.kt b/app/src/main/java/io/nekohasekai/sagernet/ui/ConfigurationFragment.kt
index 301f157..5b1c50f 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/ui/ConfigurationFragment.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/ui/ConfigurationFragment.kt
@@ -362,6 +362,10 @@ class ConfigurationFragment @JvmOverloads constructor(
                 startActivity(Intent(requireActivity(), TrojanGoSettingsActivity::class.java))
             }
 
+            R.id.action_new_mieru -> {
+                startActivity(Intent(requireActivity(), MieruSettingsActivity::class.java))
+            }
+
             R.id.action_new_naive -> {
                 startActivity(Intent(requireActivity(), NaiveSettingsActivity::class.java))
             }
diff --git a/app/src/main/java/io/nekohasekai/sagernet/ui/profile/MieruSettingsActivity.kt b/app/src/main/java/io/nekohasekai/sagernet/ui/profile/MieruSettingsActivity.kt
new file mode 100644
index 0000000..f9195fb
--- /dev/null
+++ b/app/src/main/java/io/nekohasekai/sagernet/ui/profile/MieruSettingsActivity.kt
@@ -0,0 +1,77 @@
+/******************************************************************************
+ *                                                                            *
+ * Copyright (C) 2021 by nekohasekai <contact-sagernet@sekai.icu>             *
+ *                                                                            *
+ * This program is free software: you can redistribute it and/or modify       *
+ * it under the terms of the GNU General Public License as published by       *
+ * the Free Software Foundation, either version 3 of the License, or          *
+ *  (at your option) any later version.                                       *
+ *                                                                            *
+ * This program is distributed in the hope that it will be useful,            *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
+ * GNU General Public License for more details.                               *
+ *                                                                            *
+ * You should have received a copy of the GNU General Public License          *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.       *
+ *                                                                            *
+ ******************************************************************************/
+
+package io.nekohasekai.sagernet.ui.profile
+
+import android.os.Bundle
+import androidx.preference.EditTextPreference
+import androidx.preference.PreferenceFragmentCompat
+import io.nekohasekai.sagernet.Key
+import io.nekohasekai.sagernet.R
+import io.nekohasekai.sagernet.database.DataStore
+import io.nekohasekai.sagernet.database.preference.EditTextPreferenceModifiers
+import io.nekohasekai.sagernet.fmt.mieru.MieruBean
+import io.nekohasekai.sagernet.ktx.applyDefaultValues
+import moe.matsuri.nb4a.ui.SimpleMenuPreference
+
+class MieruSettingsActivity : ProfileSettingsActivity<MieruBean>() {
+
+    override fun createEntity() = MieruBean().applyDefaultValues()
+
+    override fun MieruBean.init() {
+        DataStore.profileName = name
+        DataStore.serverAddress = serverAddress
+        DataStore.serverPort = serverPort
+        DataStore.serverProtocol = protocol
+        DataStore.serverUsername = username
+        DataStore.serverPassword = password
+        DataStore.mtu = mtu
+    }
+
+    override fun MieruBean.serialize() {
+        name = DataStore.profileName
+        serverAddress = DataStore.serverAddress
+        serverPort = DataStore.serverPort
+        protocol = DataStore.serverProtocol
+        username = DataStore.serverUsername
+        password = DataStore.serverPassword
+        mtu = DataStore.mtu
+    }
+
+    override fun PreferenceFragmentCompat.createPreferences(
+        savedInstanceState: Bundle?,
+        rootKey: String?,
+    ) {
+        addPreferencesFromResource(R.xml.mieru_preferences)
+        findPreference<EditTextPreference>(Key.SERVER_PORT)!!.apply {
+            setOnBindEditTextListener(EditTextPreferenceModifiers.Port)
+        }
+        findPreference<EditTextPreference>(Key.SERVER_PASSWORD)!!.apply {
+            summaryProvider = PasswordSummaryProvider
+        }
+        val protocol = findPreference<SimpleMenuPreference>(Key.SERVER_PROTOCOL)!!
+        val mtu = findPreference<EditTextPreference>(Key.MTU)!!
+        mtu.isVisible = protocol.value.equals("UDP")
+        protocol.setOnPreferenceChangeListener { _, newValue ->
+            mtu.isVisible = newValue.equals("UDP")
+            true
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/res/menu/add_profile_menu.xml b/app/src/main/res/menu/add_profile_menu.xml
index 072cf8d..129d320 100644
--- a/app/src/main/res/menu/add_profile_menu.xml
+++ b/app/src/main/res/menu/add_profile_menu.xml
@@ -45,6 +45,9 @@
                     <item
                         android:id="@+id/action_new_trojan_go"
                         android:title="@string/action_trojan_go" />
+                    <item
+                        android:id="@+id/action_new_mieru"
+                        android:title="@string/action_mieru" />
                     <item
                         android:id="@+id/action_new_naive"
                         android:title="@string/action_naive" />
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index 1e58c64..0be3670 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -332,6 +332,10 @@
         <item>TPROXY</item>
     </string-array>
 
+    <string-array name="mieru_protocol">
+        <item>TCP</item>
+        <item>UDP</item>
+    </string-array>
 
     <string-array name="naive_proto_entry">
         <item>HTTPS</item>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index ab6bc3d..c9e09ed 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -214,6 +214,7 @@
     <string name="action_vmess" translatable="false">VMess</string>
     <string name="action_trojan" translatable="false">Trojan</string>
     <string name="action_trojan_go" translatable="false">Trojan Go</string>
+    <string name="action_mieru" translatable="false">Mieru</string>
     <string name="action_naive" translatable="false">Naïve</string>
     <string name="action_ping_tunnel" translatable="false">Ping Tunnel</string>
     <string name="action_hysteria" translatable="false">Hysteria</string>
diff --git a/app/src/main/res/xml/mieru_preferences.xml b/app/src/main/res/xml/mieru_preferences.xml
new file mode 100644
index 0000000..19a3dab
--- /dev/null
+++ b/app/src/main/res/xml/mieru_preferences.xml
@@ -0,0 +1,46 @@
+<PreferenceScreen xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <EditTextPreference
+        app:icon="@drawable/ic_social_emoji_symbols"
+        app:key="profileName"
+        app:title="@string/profile_name"
+        app:useSimpleSummaryProvider="true" />
+
+    <PreferenceCategory app:title="@string/proxy_cat">
+
+        <EditTextPreference
+            app:icon="@drawable/ic_hardware_router"
+            app:key="serverAddress"
+            app:title="@string/server_address"
+            app:useSimpleSummaryProvider="true" />
+        <EditTextPreference
+            app:icon="@drawable/ic_maps_directions_boat"
+            app:key="serverPort"
+            app:title="@string/server_port"
+            app:useSimpleSummaryProvider="true" />
+        <moe.matsuri.nb4a.ui.SimpleMenuPreference
+            app:defaultValue="TCP"
+            app:entries="@array/mieru_protocol"
+            app:entryValues="@array/mieru_protocol"
+            app:icon="@drawable/ic_baseline_compare_arrows_24"
+            app:key="serverProtocol"
+            app:title="@string/protocol"
+            app:useSimpleSummaryProvider="true" />
+        <EditTextPreference
+            app:icon="@drawable/ic_baseline_person_24"
+            app:key="serverUsername"
+            app:title="@string/username"
+            app:useSimpleSummaryProvider="true" />
+        <EditTextPreference
+            app:dialogLayout="@layout/layout_password_dialog"
+            app:icon="@drawable/ic_settings_password"
+            app:key="serverPassword"
+            app:title="@string/password" />
+        <EditTextPreference
+            app:icon="@drawable/baseline_public_24"
+            app:key="mtu"
+            app:title="@string/mtu"
+            app:useSimpleSummaryProvider="true" />
+    </PreferenceCategory>
+
+</PreferenceScreen>
\ No newline at end of file