diff --git a/OngekiScoreLog/app/AggregateOverdamage.php b/OngekiScoreLog/app/AggregateOverdamage.php
new file mode 100644
index 00000000..b3a59910
--- /dev/null
+++ b/OngekiScoreLog/app/AggregateOverdamage.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Facades\DB;
+
+class AggregateOverdamage extends Model
+{
+    protected $table = "aggregate_overdamage";
+    protected $guarded = [
+        //
+    ];
+    public $incrementing = false;
+
+    public static function execute(){
+        \App\Facades\Slack::Debug("Max Over Damageの集計を開始します。");
+
+        $musics = \App\MusicData::all();
+        $normalDifficulties = [0, 1, 2, 3];
+        $lunaticDifficulty = 10;
+
+        foreach ($musics as $music) {
+            if($music->basic_level !== null){
+                foreach ($normalDifficulties as $difficulty) {
+                    \App\AggregateOverdamage::record($music->id, $difficulty);
+                }
+            }
+
+            if($music->lunatic_level !== null){
+                \App\AggregateOverdamage::record($music->id, $lunaticDifficulty);
+            }
+        }
+
+        \App\Facades\Slack::Debug("Max Over Damageの集計を行いました。");
+    }
+
+    public static function record($song_id, $difficulty){
+        $max = AggregateOverdamage::calculation($song_id, $difficulty);
+
+        $key = $song_id . "_" . $difficulty;
+        AggregateOverdamage::updateOrCreate(
+            ['id' => $key],
+            ['song_id' => $song_id, 'difficulty' => $difficulty, 'max' => $max]
+        );
+    }
+
+    private static function calculation($song_id, $difficulty){
+        $sql = DB::table('score_datas')
+        ->select('song_id', 'difficulty', DB::raw('MAX(over_damage_high_score) as max_over_damage_high_score'))
+        ->where('song_id', $song_id)
+        ->where('difficulty', $difficulty)
+        ->groupBy('song_id', 'difficulty')
+    ;
+    try {
+        return $sql->get()[0]->max_over_damage_high_score;
+    } catch (\Throwable $th) {
+        return 0;
+    }
+    }
+}
diff --git a/OngekiScoreLog/app/Console/Kernel.php b/OngekiScoreLog/app/Console/Kernel.php
index 1f18e1ad..48d3f587 100644
--- a/OngekiScoreLog/app/Console/Kernel.php
+++ b/OngekiScoreLog/app/Console/Kernel.php
@@ -30,7 +30,12 @@ protected function schedule(Schedule $schedule)
         $schedule->call(function () {
             \App\UserInformation::ResetAllUserPaymentState();
             \App\Facades\Slack::Info("<!here> すべてのユーザーの課金情報をリセットしました。");
-        })->monthlyOn(1, '4:00');
+        })->monthlyOn(1, '7:00');
+
+        // Max OverDamageの集計
+        $schedule->call(function () {
+            \App\AggregateOverdamage::execute();
+        })->dailyAt('4:30');
     }
 
     /**
diff --git a/OngekiScoreLog/app/Http/Controllers/AdminController.php b/OngekiScoreLog/app/Http/Controllers/AdminController.php
index 5f718b7e..c9b095a5 100644
--- a/OngekiScoreLog/app/Http/Controllers/AdminController.php
+++ b/OngekiScoreLog/app/Http/Controllers/AdminController.php
@@ -69,6 +69,11 @@ public function GetConfig(){
         return view('admin/config', compact(['result']));
     }
 
+    public function GetAggregate(){
+        $result = \App\AggregateOverdamage::all();
+        return view('admin/aggregate', compact(['result']));
+    }
+
     /**
      * '/config'にgetリクエストがあったときに呼び出されます。
      * パラメータに合致する処理を行い、'/'にリダイレクトします。
@@ -124,4 +129,10 @@ public function GetApply($type, $action = null){
 
         return redirect('/admin?message=' . $message);
     }
+
+    public function GetGenerateOverDamage(){
+        ini_set("max_execution_time", 0);
+        \App\AggregateOverdamage::execute();
+        return redirect('/admin?message=' . "Generate Over Damage: max. 実行しました！");
+    }
 }
diff --git a/OngekiScoreLog/app/Http/Controllers/ViewUserController.php b/OngekiScoreLog/app/Http/Controllers/ViewUserController.php
index 0f8bf200..d9d2e68b 100644
--- a/OngekiScoreLog/app/Http/Controllers/ViewUserController.php
+++ b/OngekiScoreLog/app/Http/Controllers/ViewUserController.php
@@ -8,7 +8,10 @@
 use App\User;
 use App\UserStatus;
 use App\ScoreData;
+use App\AggregateOverdamage;
 use App\Facades\OngekiUtility;
+use DateTime;
+
 use function GuzzleHttp\json_encode;
 
 class ViewUserController extends Controller
@@ -386,13 +389,17 @@ public function getOverDamegePage($id){
         }
 
         // トップランカーのスコアを取得してkey: song_id, difficulty, value: over_damage_high_score の配列を作る
+        $lastUpdate = (new DateTime())->setTimestamp(0);
         $topRankerScore = [];
         {
-            $temp = (new ScoreData)->getTopRankerScore()->getValue();
+            $temp = AggregateOverdamage::all();
             foreach ($temp as $value) {
                 $key = $value->song_id . "_" . $value->difficulty;
-                if(!isset($topRankerScore[$key])){
-                    $topRankerScore[$key] = $value->max_over_damage_high_score;
+                $topRankerScore[$key] = $value->max;
+
+                // 最終更新日時を取得
+                if($lastUpdate < $value->updated_at){
+                    $lastUpdate = $value->updated_at;
                 }
             }
         }
@@ -422,6 +429,6 @@ public function getOverDamegePage($id){
             }
         }
 
-        return view('user_overdamage', compact('id', 'status', 'scoreDatas', 'topRankerScore'));
+        return view('user_overdamage', compact('id', 'status', 'lastUpdate', 'scoreDatas', 'topRankerScore'));
     }
 }
diff --git a/OngekiScoreLog/app/ScoreData.php b/OngekiScoreLog/app/ScoreData.php
index 8b239c4b..96779ab4 100644
--- a/OngekiScoreLog/app/ScoreData.php
+++ b/OngekiScoreLog/app/ScoreData.php
@@ -193,19 +193,6 @@ function getRecentUserScore($id){
         return $this;
     }
 
-    function getTopRankerScore(){
-        $sql = DB::table($this->table)
-            ->select('song_id', 'difficulty',
-                DB::raw('MAX(over_damage_high_score) as max_over_damage_high_score'),
-                DB::raw('MAX(battle_high_score) as max_battle_high_score'),
-                DB::raw('MAX(technical_high_score) as max_technical_high_score'),)
-            ->from($this->table)
-            ->groupBy('song_id', 'difficulty')
-        ;
-        $this->value = $sql->get();
-        return $this;
-    }
-
     /**
      * 指定した世代のスコアデータを取得します。
      *
diff --git a/OngekiScoreLog/database/migrations/2024_04_15_181601_create_aggregate_overdamage.php b/OngekiScoreLog/database/migrations/2024_04_15_181601_create_aggregate_overdamage.php
new file mode 100644
index 00000000..b2cd730a
--- /dev/null
+++ b/OngekiScoreLog/database/migrations/2024_04_15_181601_create_aggregate_overdamage.php
@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateAggregateOverdamage extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('aggregate_overdamage', function (Blueprint $table) {
+            $table->string('id')->primary();
+            $table->integer('song_id')->unsigned();
+            $table->integer("difficulty")->unsigned();
+            $table->decimal("max", 6, 2);
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('aggregate_overdamage');
+    }
+}
diff --git a/OngekiScoreLog/resources/views/admin/_submenu.blade.php b/OngekiScoreLog/resources/views/admin/_submenu.blade.php
index 8fd8bda1..54f48259 100644
--- a/OngekiScoreLog/resources/views/admin/_submenu.blade.php
+++ b/OngekiScoreLog/resources/views/admin/_submenu.blade.php
@@ -10,4 +10,11 @@
 @else
     <li>
 @endif
-<a href="/admin/config">config</a></li>
\ No newline at end of file
+<a href="/admin/config">config</a></li>
+
+@if (isset($active) && $active === 'aggregate')
+    <li class="is-active">
+@else
+    <li>
+@endif
+<a href="/admin/aggregate">aggregate</a></li>
diff --git a/OngekiScoreLog/resources/views/admin/aggregate.blade.php b/OngekiScoreLog/resources/views/admin/aggregate.blade.php
new file mode 100644
index 00000000..1de84e15
--- /dev/null
+++ b/OngekiScoreLog/resources/views/admin/aggregate.blade.php
@@ -0,0 +1,33 @@
+@extends('layouts.app')
+
+@section('title', '管理ページ')
+@section('hero_title', "管理ページ")
+@section('hero_subtitle', "config")
+
+@section('submenu')
+    @include('admin/_submenu', ['active' => 'aggregate'])
+@endsection
+
+@section('content')
+    <article class="box">
+        <h3 class="title is-3">集計一覧</h3>
+        <table class="table">
+            <thead>
+                <tr>
+                    <th>id</th>
+                    <th>max</th>
+                    <th>updated_at</th>
+                </tr>
+            </thead>
+            <tbody>
+                @foreach ($result as $key => $value)
+                    <tr>
+                        <td>{{$value->id}}</td>
+                        <td>{{$value->max}}</td>
+                        <td>{{$value->updated_at}}</td>
+                    </tr>
+                @endforeach
+            </tbody>
+        </table>
+    </article>
+@endsection
diff --git a/OngekiScoreLog/resources/views/admin/index.blade.php b/OngekiScoreLog/resources/views/admin/index.blade.php
index 7605eea5..b80b4ddf 100644
--- a/OngekiScoreLog/resources/views/admin/index.blade.php
+++ b/OngekiScoreLog/resources/views/admin/index.blade.php
@@ -40,5 +40,12 @@
         <p>
             <a href="/admin/apply/cache"><button class="button is-danger">cache:clear</button></a>
         </p>
+        <hr>
+        <h3 class="title is-3">統計データ生成</h3>
+        <p>超絶重いので実行する時間とタイミングに注意！</p>
+        <h4 class="title is-4">Over Damage</h4>
+        <p>
+            <a href="/admin/generate/over-damage"><button class="button is-danger">max</button></a>
+        </p>
     </article>
 @endsection
diff --git a/OngekiScoreLog/resources/views/layouts/components/user/song_status_overdamage.blade.php b/OngekiScoreLog/resources/views/layouts/components/user/song_status_overdamage.blade.php
index 93694b5d..6149f714 100644
--- a/OngekiScoreLog/resources/views/layouts/components/user/song_status_overdamage.blade.php
+++ b/OngekiScoreLog/resources/views/layouts/components/user/song_status_overdamage.blade.php
@@ -2,6 +2,7 @@
     <p>登録されている全ユーザーのオーバーダメージのうち、一番高いものと比較することが出来ます。<br>
     OD埋めなどにご活用ください。</p>
     <p>プレイしている楽曲内で、一番ODが高い難易度のみ表示されます。全難易度のODが0の曲は表示されません。なお削除楽曲等も表示されます。ご了承下さい。</p>
+    最終更新: {{$lastUpdate->format('Y-m-d H:i:s')}} （?%表示は未集計です）
 </div>
 
 <article class="box">
@@ -42,9 +43,15 @@
                         <td class="sort_title"><span class="sort-key">{{$s->title}}</span><a href="{{url("/user/" . $id . "/music/" . $s->song_id . "/" . strtolower($s->difficulty_str))}}">{{$s->title}}</a></td>
                         <td class="sort_difficulty"><span class="sort-key">{{$s->difficulty}}</span>{{substr($s->difficulty_str, 0, 3)}}</td>
                         <td class="sort_od">{{$s->over_damage_high_score . "%"}}</td>
-                        <td class="sort_key1">{{$topRankerScore[$s->song_id . "_" . $s->difficulty] . "%"}}</td>
-                        <td class="sort_key2">{{$s->over_damage_high_score - $topRankerScore[$s->song_id . "_" . $s->difficulty]}}%</td>
-                        <td class="sort_key3">{{($topRankerScore[$s->song_id . "_" . $s->difficulty] != 0) ? ($s->over_damage_high_score / $topRankerScore[$s->song_id . "_" . $s->difficulty]) * 100 : 100}}%</td>
+                        @if (array_key_exists($s->song_id . "_" . $s->difficulty, $topRankerScore))
+                            <td class="sort_key1">{{$topRankerScore[$s->song_id . "_" . $s->difficulty] . "%"}}</td>
+                            <td class="sort_key2">{{$s->over_damage_high_score - $topRankerScore[$s->song_id . "_" . $s->difficulty]}}%</td>
+                            <td class="sort_key3">{{($topRankerScore[$s->song_id . "_" . $s->difficulty] != 0) ? ($s->over_damage_high_score / $topRankerScore[$s->song_id . "_" . $s->difficulty]) * 100 : 100}}%</td>
+                        @else
+                            <td class="sort_key1">?%</td>
+                            <td class="sort_key2">?%</td>
+                            <td class="sort_key3">?%</td>
+                        @endif
                         <td class="sort_update">{{date('Y-m-d', strtotime($s->updated_at))}}</td>
                     </tr>
                 @endforeach
diff --git a/OngekiScoreLog/resources/views/user_overdamage.blade.php b/OngekiScoreLog/resources/views/user_overdamage.blade.php
index a96e01c0..dbe1f2dd 100644
--- a/OngekiScoreLog/resources/views/user_overdamage.blade.php
+++ b/OngekiScoreLog/resources/views/user_overdamage.blade.php
@@ -3,6 +3,9 @@
 @section('title', $status[0]->name)
 @section('hero_subtitle', $status[0]->trophy)
 @section('hero_title', $status[0]->name)
+@section('additional_head')
+    <meta name="robots" content="noindex">
+@endsection
 @section('additional_footer')
     <script type="text/javascript" src="{{ mix('/js/sortTable.js') }}"></script>
     <script type="text/javascript" src="{{ mix('/js/tableScalable.js') }}"></script>
@@ -63,7 +66,7 @@
     {{-- @component('layouts/components/user/song_filter')
     @endcomponent --}}
 
-    @component('layouts/components/user/song_status_overdamage', ['score' => $scoreDatas, 'topRankerScore' => $topRankerScore, 'id' => $id])
+    @component('layouts/components/user/song_status_overdamage', ['score' => $scoreDatas, 'topRankerScore' => $topRankerScore, 'id' => $id, 'lastUpdate' => $lastUpdate])
     @endcomponent
 
 @endsection
diff --git a/OngekiScoreLog/routes/web.php b/OngekiScoreLog/routes/web.php
index 71d08cc5..73bf518d 100644
--- a/OngekiScoreLog/routes/web.php
+++ b/OngekiScoreLog/routes/web.php
@@ -20,7 +20,9 @@
 Route::get('/user/{id}/trophy', 'ViewUserTrophyController@getIndex')->where(['id' => '\d+']);
 Route::get('/user/{id}/music/{music}/{difficulty}', 'ViewUserMusicController@getIndex')->where(['id' => '\d+', 'music' => '\d+', 'difficulty' => '\w+']);
 Route::get('/user/{id}/music/{music}', 'ViewUserMusicController@getRedirect')->where(['id' => '\d+', 'music' => '\d+']);
-Route::get('/user/{id}/overdamage', 'ViewUserController@getOverDamegePage')->where(['id' => '\d+']);
+Route::middleware('throttle:5,1')->group(function () {
+    Route::get('/user/{id}/overdamage', 'ViewUserController@getOverDamegePage')->where(['id' => '\d+']);
+});
 Route::get('/user/{id}/{mode?}', 'ViewUserController@getUserPage')->where(['id' => '\d+']);
 
 Route::middleware('throttle:3,1')->group(function () {
@@ -57,7 +59,9 @@
 Route::group(['middleware' => ['auth', 'can:admin']], function () {
     Route::get('/admin', 'AdminController@GetIndex');
     Route::get('/admin/config', 'AdminController@GetConfig');
+    Route::get('/admin/aggregate', 'AdminController@GetAggregate');
     Route::get('/admin/apply/{type}/{action?}', 'AdminController@GetApply');
+    Route::get('/admin/generate/over-damage', 'AdminController@GetGenerateOverDamage');
     Route::get('/admin/log/{path}/{fileName}', 'SimpleViewController@getLogFile');
 });