diff --git a/src/models/repositories/games/reversi/game.ts b/src/models/repositories/games/reversi/game.ts
index 10433bf58f..121a3cad74 100644
--- a/src/models/repositories/games/reversi/game.ts
+++ b/src/models/repositories/games/reversi/game.ts
@@ -2,9 +2,9 @@ import { User } from '@/models/entities/user';
 import { EntityRepository, Repository } from 'typeorm';
 import { Users } from '../../../index';
 import { ReversiGame } from '@/models/entities/games/reversi/game';
-import { Resolved } from '@/prelude/types';
+import { SchemaType } from '@/misc/schema';
 
-export type PackedReversiGame = Resolved<ReturnType<ReversiGameRepository['pack']>>;
+export type PackedReversiGame = SchemaType<typeof packedReversiGameSchema>;
 
 @EntityRepository(ReversiGame)
 export class ReversiGameRepository extends Repository<ReversiGame> {
@@ -14,7 +14,7 @@ export class ReversiGameRepository extends Repository<ReversiGame> {
 		options?: {
 			detail?: boolean
 		}
-	) {
+	): Promise<PackedReversiGame> {
 		const opts = Object.assign({
 			detail: true
 		}, options);
@@ -23,8 +23,8 @@ export class ReversiGameRepository extends Repository<ReversiGame> {
 
 		return {
 			id: game.id,
-			createdAt: game.createdAt,
-			startedAt: game.startedAt,
+			createdAt: game.createdAt.toISOString(),
+			startedAt: game.startedAt && game.startedAt.toISOString(),
 			isStarted: game.isStarted,
 			isEnded: game.isEnded,
 			form1: game.form1,
@@ -44,9 +44,150 @@ export class ReversiGameRepository extends Repository<ReversiGame> {
 			canPutEverywhere: game.canPutEverywhere,
 			loopedBoard: game.loopedBoard,
 			...(opts.detail ? {
-				logs: game.logs,
+				logs: game.logs.map(log => ({
+					at: log.at.toISOString(),
+					color: log.color,
+					pos: log.pos
+				})),
 				map: game.map,
 			} : {})
 		};
 	}
 }
+
+export const packedReversiGameSchema = {
+	type: 'object' as const,
+	optional: false as const, nullable: false as const,
+	properties: {
+		id: {
+			type: 'string' as const,
+			optional: false as const, nullable: false as const,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string' as const,
+			optional: false as const, nullable: false as const,
+			format: 'date-time',
+		},
+		startedAt: {
+			type: 'string' as const,
+			optional: false as const, nullable: true as const,
+			format: 'date-time',
+		},
+		isStarted: {
+			type: 'boolean' as const,
+			optional: false as const, nullable: false as const,
+		},
+		isEnded: {
+			type: 'boolean' as const,
+			optional: false as const, nullable: false as const,
+		},
+		form1: {
+			type: 'any' as const,
+			optional: false as const, nullable: true as const,
+		},
+		form2: {
+			type: 'any' as const,
+			optional: false as const, nullable: true as const,
+		},
+		user1Accepted: {
+			type: 'boolean' as const,
+			optional: false as const, nullable: false as const,
+		},
+		user2Accepted: {
+			type: 'boolean' as const,
+			optional: false as const, nullable: false as const,
+		},
+		user1Id: {
+			type: 'string' as const,
+			optional: false as const, nullable: false as const,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		user2Id: {
+			type: 'string' as const,
+			optional: false as const, nullable: false as const,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		user1: {
+			type: 'object' as const,
+			optional: false as const, nullable: false as const,
+			ref: 'User' as const,
+		},
+		user2: {
+			type: 'object' as const,
+			optional: false as const, nullable: false as const,
+			ref: 'User' as const,
+		},
+		winnerId: {
+			type: 'string' as const,
+			optional: false as const, nullable: true as const,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		winner: {
+			type: 'object' as const,
+			optional: false as const, nullable: true as const,
+			ref: 'User' as const,
+		},
+		surrendered: {
+			type: 'string' as const,
+			optional: false as const, nullable: true as const,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		black: {
+			type: 'number' as const,
+			optional: false as const, nullable: true as const,
+		},
+		bw: {
+			type: 'string' as const,
+			optional: false as const, nullable: false as const,
+		},
+		isLlotheo: {
+			type: 'boolean' as const,
+			optional: false as const, nullable: false as const,
+		},
+		canPutEverywhere: {
+			type: 'boolean' as const,
+			optional: false as const, nullable: false as const,
+		},
+		loopedBoard: {
+			type: 'boolean' as const,
+			optional: false as const, nullable: false as const,
+		},
+		logs: {
+			type: 'array' as const,
+			optional: true as const, nullable: false as const,
+			items: {
+				type: 'object' as const,
+				optional: true as const, nullable: false as const,
+				properties: {
+					at: {
+						type: 'string' as const,
+						optional: false as const, nullable: false as const,
+						format: 'date-time',
+					},
+					color: {
+						type: 'boolean' as const,
+						optional: false as const, nullable: false as const,
+					},
+					pos: {
+						type: 'number' as const,
+						optional: false as const, nullable: false as const,
+					},
+				}
+			}
+		},
+		map: {
+			type: 'array' as const,
+			optional: true as const, nullable: false as const,
+			items: {
+				type: 'string' as const,
+				optional: false as const, nullable: false as const,
+			}
+		}
+	}
+};