# 背徳シレネ

Summer DB entity ID: f9eca12c\-5219\-47ce\-a90d\-b0a73661de80

Steam App ID: 1388530

【概要】  「背徳シレネ \- あなたの知らない奈落の底」は、  ノベル形式の成人向けホラーアドベンチャーゲームです。  物語の主人公となり、謎の多いヒロインを攻略してください。    【ストーリー】  純粋な恋心を持ったまま、この物語に足を踏み入れてはいけない。  決して触れてはいけない彼女の秘密を追い求めたとき、あなたは暗い奈落の底に突き落とされる…    主人公「悠木」と「なでしこ」は友人関係。仲の良かったはずの二人だが  ある日を境になでしこは突然姿を消してしまう。  彼女の思いを伝えられないまま、孤独になってしまった悠木は  腐った日々を過ごしていた。    時を経て偶然にも再開した二人は、再び関係を取り戻す。  悠木は失った時間を取り戻そうと、彼女にアプローチすることを決意するが…  彼女の抱える復讐心が、彼の心をむしばみ、壊していく。

## Game information

- Type: game

- Developer: CHARON

- Publisher: PGN Games

- Release date: Dec 29, 2020

- Coming soon: false

- Free to play: false

- Parent Steam app: Not collected

- Genres: Adventure

- Categories: Single\-player, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1388530/ss\_35569aad2dc5e016afedf8a6ddc7bafc0662447e\.1920x1080\.jpg?t=1624378548, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1388530/ss\_d0dda96c46c90be19ec34e2442c50ad4e0b447c2\.1920x1080\.jpg?t=1624378548, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1388530/ss\_fbe07fd3db91a4d92706a78f88ad45fae4f89bff\.1920x1080\.jpg?t=1624378548, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1388530/ss\_e88bbffb53ba5d2b01b76868d42eb8a6ba19ec11\.1920x1080\.jpg?t=1624378548, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1388530/ss\_f1be8996a4d32e38405e152e03fd881148d97b28\.1920x1080\.jpg?t=1624378548

- Price: 799 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: 0

- Steam review count: 6

- Steam positive reviews: 4

- Steam negative reviews: 2

- Steam positive percentage: 66.66666666666667%

- Summer DB rating: No native votes

Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}

## Player history

[Seven-day chart data as Markdown](/api/v1/entities/f9eca12c-5219-47ce-a90d-b0a73661de80/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/f9eca12c-5219-47ce-a90d-b0a73661de80/player-metrics?days=7)

Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown.

## Sources and freshness

- Catalog membership: store\_catalog

- Catalog observed: 2026\-09\-24T19:57:04\.362365\+00:00

- Details observed: 2026\-09\-25T05:23:33\.421281\+00:00

- Player count observed: 2026\-09\-25T05:23:36\.072468\+00:00

- Reviews observed: 2026\-09\-25T05:23:34\.427553\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/1388530/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/1388530/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=1388530","reviews":"https://store\.steampowered\.com/appreviews/1388530"\},"price":"2026\-09\-25T05:23:33\.421281\+00:00","source":"steam","catalog":"2026\-09\-24T19:57:04\.362365\+00:00","country":"US","details":"2026\-09\-25T05:23:33\.421281\+00:00","players":"2026\-09\-25T05:23:36\.072468\+00:00","reviews":"2026\-09\-25T05:23:34\.427553\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"756a1004\-25c6\-4ae3\-8b40\-e71667a56e08","catalog":"823098f2\-92fb\-48b3\-b38e\-724d92044b37","details":"7c80292f\-5d91\-4d85\-9460\-0d483842f379","players":"30942d7b\-3e03\-4257\-b320\-1e87db664270","reviews":"789cfdd5\-6a58\-488d\-ab78\-bcb4fd4c0a32"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"f9eca12c\-5219\-47ce\-a90d\-b0a73661de80","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\}

Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted.

[Steam store](https://store.steampowered.com/app/1388530/) · [JSON](/api/v1/games/f9eca12c-5219-47ce-a90d-b0a73661de80)