# Onii\-chan Asobo

Summer DB entity ID: 4558e104\-186b\-426e\-945a\-8e33870e132a

Steam App ID: 954610

Genres: Kinetic Novel, Eroge, Slice of Life, Romance\.      Koichi Akiyama, an ordinary 22\-year\-old game developer, has been living a boring life until one day his younger sister Ai paid him a visit\.  Soon after Ai moves in with Koichi, she claims that she wants to become a game developer too, so her brother has to teach her everything he knows\.  The only problem is that Ai wants to create Hentai games, which puts Koichi in a dubious position\.  From now on these two need to learn how to work together and explore all the difficulties of writing Hentai stories\.         HD 1080p window & full screen options   50\+ Beautifully illustrated CGs   Original Soundtrack

## Game information

- Type: game

- Developer: ilシ

- Publisher: ilシ

- Release date: Sep 27, 2019

- Coming soon: false

- Free to play: false

- Parent Steam app: Not collected

- Genres: Casual, Indie, Simulation

- Categories: Single\-player, Steam Achievements, Steam Trading Cards, Partial Controller Support, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/954610/ss\_8a6c48212dee59c755f45f834c0e1a0ac3d9269e\.1920x1080\.jpg?t=1573587936, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/954610/ss\_167c5ddeca4c6cc06e93bc8a251154895bb32846\.1920x1080\.jpg?t=1573587936, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/954610/ss\_494789fcdc649d67f05e22b64dccee77f3ed1c22\.1920x1080\.jpg?t=1573587936, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/954610/ss\_08462301083c894f46fa84e38e6773eefce48180\.1920x1080\.jpg?t=1573587936, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/954610/ss\_95a9a38d37affbbac184c2e7d3b45243e8fac46b\.1920x1080\.jpg?t=1573587936, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/954610/ss\_2a7f0c439ffa1ce8153ba59a77e92708a3d833e7\.1920x1080\.jpg?t=1573587936, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/954610/ss\_619dcf5ddcbc3a875183c89486936eadee3070e3\.1920x1080\.jpg?t=1573587936

- Price: 899 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: 0

- Steam review count: 342

- Steam positive reviews: 250

- Steam negative reviews: 92

- Steam positive percentage: 73.09941520467837%

- 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/4558e104-186b-426e-945a-8e33870e132a/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/4558e104-186b-426e-945a-8e33870e132a/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\-23T20:53:04\.164632\+00:00

- Player count observed: 2026\-09\-23T20:53:05\.511219\+00:00

- Reviews observed: 2026\-09\-23T20:53:05\.191564\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/954610/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/954610/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=954610","reviews":"https://store\.steampowered\.com/appreviews/954610"\},"price":"2026\-09\-23T20:53:04\.164632\+00:00","source":"steam","catalog":"2026\-09\-24T19:57:04\.362365\+00:00","country":"US","details":"2026\-09\-23T20:53:04\.164632\+00:00","players":"2026\-09\-23T20:53:05\.511219\+00:00","reviews":"2026\-09\-23T20:53:05\.191564\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"5cf79719\-669c\-4295\-abf8\-c4b1b9beaed6","catalog":"cb4b6988\-c370\-4fb8\-886b\-df706136bfc0","details":"ad7ba59e\-b9d4\-4118\-9482\-777646560bcd","players":"3f97bff7\-b8a4\-4924\-9b3a\-12888fc04793","reviews":"0eb4b352\-680f\-494d\-a4f8\-1968d30d4b37"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"4558e104\-186b\-426e\-945a\-8e33870e132a","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/954610/) · [JSON](/api/v1/games/4558e104-186b-426e-945a-8e33870e132a)