diff --git a/src/main/java/ext/Ext.kt b/src/main/java/ext/Ext.kt
index f80b91d5..b7ea7a6b 100644
--- a/src/main/java/ext/Ext.kt
+++ b/src/main/java/ext/Ext.kt
@@ -22,6 +22,9 @@ import java.nio.file.Path
 import java.time.LocalDate
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
+import kotlin.reflect.KClass
+import kotlin.reflect.KMutableProperty1
+import kotlin.reflect.full.memberProperties
 
 typealias RP = RequestParam
 typealias RB = RequestBody
@@ -30,17 +33,22 @@ typealias API = RequestMapping
 typealias Str = String
 typealias Bool = Boolean
 
-@Target(AnnotationTarget.CLASS, AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY)
+@Target(AnnotationTarget.CLASS, AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY, AnnotationTarget.PROPERTY_GETTER)
 @Retention(AnnotationRetention.RUNTIME)
 annotation class Doc(
     val desc: String,
     val ret: String = ""
 )
 
-@Target(AnnotationTarget.VALUE_PARAMETER)
+@Target(AnnotationTarget.PROPERTY)
 @Retention(AnnotationRetention.RUNTIME)
 annotation class SettingField(val name: Str, val desc: Str)
 
+// Reflection
+@Suppress("UNCHECKED_CAST")
+fun <T : Any> KClass<T>.vars() = memberProperties.mapNotNull { it as? KMutableProperty1<T, Any> }
+
+
 // Make it easier to throw a ResponseStatusException
 operator fun HttpStatus.invoke(message: String? = null): Nothing = throw ApiException(value(), message ?: this.reasonPhrase)
 operator fun Int.minus(message: String): Nothing {
diff --git a/src/main/java/icu/samnyan/aqua/net/SettingsApi.kt b/src/main/java/icu/samnyan/aqua/net/SettingsApi.kt
new file mode 100644
index 00000000..2aea70c8
--- /dev/null
+++ b/src/main/java/icu/samnyan/aqua/net/SettingsApi.kt
@@ -0,0 +1,53 @@
+package icu.samnyan.aqua.net
+
+import ext.*
+import icu.samnyan.aqua.net.db.AquaGameOptions
+import icu.samnyan.aqua.net.db.AquaNetUserRepo
+import icu.samnyan.aqua.net.db.AquaUserServices
+import org.springframework.web.bind.annotation.RestController
+import kotlin.reflect.full.findAnnotation
+import kotlin.reflect.full.primaryConstructor
+
+@RestController
+@API("/api/v2/settings")
+class SettingsApi(
+    val us: AquaUserServices,
+    val userRepo: AquaNetUserRepo
+) {
+    // Get all params with SettingField annotation
+    // Kotlin by default put all the @Annotations in the constructor param
+    val params = AquaGameOptions::class.primaryConstructor!!.parameters
+        .mapNotNull { it.findAnnotation<SettingField>()?.let { an -> it to an } }
+    val fields = AquaGameOptions::class.vars().associateBy { it.name }
+    val fieldMap = params.associate { (key, _) -> key.name to fields[key.name]!! }
+    val fieldDesc = params.map { (key, an) -> mapOf(
+        "key" to key.name,
+        "name" to an.name,
+        "desc" to an.desc
+    ) }
+
+    @API("get")
+    @Doc("Get the game options of the logged in user")
+    fun getSettings(@RP token: String) = us.jwt.auth(token) { u ->
+        val go = u.gameOptions ?: AquaGameOptions()
+        fieldDesc.map { it + ("value" to fieldMap[it["key"]]!!.get(go)) }
+    }
+
+    @API("set")
+    @Doc("Set a field in the game options")
+    fun setField(@RP token: String, @RP key: String, value: String) = us.jwt.auth(token) { u ->
+        val field = fieldMap[key] ?: error("Field not found")
+        val options = u.gameOptions ?: AquaGameOptions().also {
+            userRepo.save(u.apply { gameOptions = it })
+        }
+        // Check field type
+        val type = field.returnType
+        val newValue = when {
+            type == String::class -> value
+            type == Int::class -> value.toInt()
+            type == Boolean::class -> value.toBoolean()
+            else -> error("Unsupported type")
+        }
+        field.set(options, newValue)
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/icu/samnyan/aqua/net/db/AquaGameOptions.kt b/src/main/java/icu/samnyan/aqua/net/db/AquaGameOptions.kt
index bba24c16..0d370fe7 100644
--- a/src/main/java/icu/samnyan/aqua/net/db/AquaGameOptions.kt
+++ b/src/main/java/icu/samnyan/aqua/net/db/AquaGameOptions.kt
@@ -16,20 +16,20 @@ class AquaGameOptions(
 
     @SettingField("Unlock All Music",
         "Unlock all music and master difficulty in game")
-    val unlockMusic: Boolean = false,
+    var unlockMusic: Boolean = false,
 
     @SettingField("Unlock All Chara",
         "Unlock all characters and partners in game")
-    val unlockChara: Boolean = false,
+    var unlockChara: Boolean = false,
 
     @SettingField("Unlock All Collectables",
         "Unlock all collectables (nameplate, title, icon, frame) in game. " +
         "This setting is not relevant in chusan because in-game user box is disabled in chusan.")
-    val unlockCollectables: Boolean = false,
+    var unlockCollectables: Boolean = false,
 
     @SettingField("Unlock All Tickets" ,
         "Unlock all map tickets (the game still limits which tickets can be used)")
-    val unlockTickets: Boolean = false,
+    var unlockTickets: Boolean = false,
 )
 
 interface AquaGameOptionsRepository : JpaRepository<AquaGameOptions, Long>
\ No newline at end of file