diff --git a/AquaNet/src/components/settings/OngekiSettings.svelte b/AquaNet/src/components/settings/OngekiSettings.svelte
index 110f5ae7..ebf87977 100644
--- a/AquaNet/src/components/settings/OngekiSettings.svelte
+++ b/AquaNet/src/components/settings/OngekiSettings.svelte
@@ -2,8 +2,20 @@
   import { fade } from "svelte/transition";
   import { FADE_IN, FADE_OUT } from "../../libs/config";
   import GameSettingFields from "./GameSettingFields.svelte";
+
+  function exportData() {
+      submitting = "export"
+      GAME.export('ongeki')
+        .then(data => download(JSON.stringify(data), `AquaDX_ongeki_export_${values[0]}.json`))
+        .catch(e => error = e.message)
+        .finally(() => submitting = "")
+    }
 </script>
 
 <div>
   <GameSettingFields game="ongeki"/>
+  <button class="exportButton" on:click={exportData}>
+      <Icon icon="bxs:file-export"/>
+      {t('settings.export')}
+    </button>
 </div>
diff --git a/AquaNet/src/pages/Home/ImportDataAction.svelte b/AquaNet/src/pages/Home/ImportDataAction.svelte
index 52f44bb6..e4115f40 100644
--- a/AquaNet/src/pages/Home/ImportDataAction.svelte
+++ b/AquaNet/src/pages/Home/ImportDataAction.svelte
@@ -69,6 +69,8 @@
         return 'mai2';
       case 'SDHD':
         return 'chu3';
+      case 'SDDT':
+        return 'ongeki';
       default:
         throw new Error(t('home.import.unknown-game'));
     }
diff --git a/src/main/java/icu/samnyan/aqua/net/games/ongeki/OngekiImport.kt b/src/main/java/icu/samnyan/aqua/net/games/ongeki/OngekiImport.kt
new file mode 100644
index 00000000..47208444
--- /dev/null
+++ b/src/main/java/icu/samnyan/aqua/net/games/ongeki/OngekiImport.kt
@@ -0,0 +1,73 @@
+package icu.samnyan.aqua.net.games.ongeki
+
+import ext.API
+import ext.returns
+import ext.vars
+import icu.samnyan.aqua.net.games.IExportClass
+import icu.samnyan.aqua.net.games.ImportClass
+import icu.samnyan.aqua.net.games.ImportController
+import icu.samnyan.aqua.sega.ongeki.model.*
+import icu.samnyan.aqua.sega.ongeki.OngekiRepos
+import icu.samnyan.aqua.sega.ongeki.OngekiUserLinked
+import icu.samnyan.aqua.sega.ongeki.OngekiUserRepos
+import org.springframework.web.bind.annotation.RestController
+import kotlin.reflect.full.declaredMembers
+
+@RestController
+@API("api/v2/game/ongeki")
+class OngekiImport(
+    val repos: OngekiRepos,
+) : ImportController<OngekiDataExport, UserData>(
+    "SDDT", "ongeki", OngekiDataExport::class,
+    exportFields = OngekiDataExport::class.vars().associateBy {
+        it.name.replace("List", "").lowercase()
+    },
+    exportRepos = OngekiDataExport::class.vars()
+        .filter { f -> f.name !in setOf("gameId", "userData") }
+        .associateWith { OngekiUserRepos::class.declaredMembers
+            .filter { f -> f returns OngekiUserLinked::class }
+            .firstOrNull { f -> f.name == it.name || f.name == it.name.replace("List", "") }
+            ?.call(repos) as OngekiUserLinked<*>? ?: error("No matching field found for ${it.name}")
+        },
+    artemisRenames = mapOf() // TODO (almost nobody uses this so it's very low priority)
+) {
+    override fun createEmpty() = OngekiDataExport()
+    override val userDataRepo = repos.u.data
+}
+
+
+data class OngekiDataExport(
+    override var gameId: String = "SDDT",
+    override var userData: UserData,
+    var userActivity: List<UserActivity>,
+    var userBoss: List<UserBoss>,
+    var userCard: List<UserCard>,
+    var userChapter: List<UserChapter>,
+    var userCharacter: List<UserCharacter>,
+    var userDeck: List<UserDeck>,
+    var userEventMusic: List<UserEventMusic>,
+    var userEventPoint: List<UserEventPoint>,
+    var userGeneralData: List<UserGeneralData>,
+    var userItem: List<UserItem>,
+    var userKop: List<UserKop>,
+    var userLoginBonus: List<UserLoginBonus>,
+    var userMemoryChapter: List<UserMemoryChapter>,
+    var userMissionPoint: List<UserMissionPoint>,
+    var userMusicDetail: List<UserMusicDetail>,
+    var userMusicItem: List<UserMusicItem>,
+    var userOption: UserOption,
+    var userPlaylog: List<UserPlaylog>,
+    var userRivalData: List<UserRival>,
+    var userScenario: List<UserScenario>,
+    var userStory: List<UserStory>,
+    var userTechCount: List<UserTechCount>,
+    var userTechEvent: List<UserTechEvent>,
+    var userTradeItem: List<UserTradeItem>,
+    var userTrainingRoom: List<UserTrainingRoom>,
+    var userEventMap: List<UserEventMap>,
+    var userSkin: List<UserSkin>,
+    var userRegions: List<UserRegions>,
+    var userGacha: List<UserGacha>,
+): IExportClass<UserData> {
+    constructor() : this("SDDT", UserData(), ArrayList(), ArrayList(), ArrayList(), ArrayList(),ArrayList(), ArrayList(), ArrayList(), ArrayList(), ArrayList(),ArrayList(), ArrayList(), ArrayList(), ArrayList(), ArrayList(),ArrayList(), ArrayList(), ArrayList(), ArrayList(), ArrayList(),ArrayList(), ArrayList(), ArrayList(), ArrayList(), ArrayList(),ArrayList(), ArrayList(), ArrayList(), ArrayList(), ArrayList())
+}