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Island of Penance
Having doubts about her father's "accidental" death, Illumina begins to look deeper into the reports. The information leads her on a journey to become a prison guard on a notorious prison island. There she must contend with felons and corrupt officials to uncover the truth.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.
“You play as Illumina, daughter of a famous scientist who has brought magic back into the world and one of the few women in the world who can use Crest Magic. Her father has died under suspicious circumstances and she takes up the role of a prison guard and takes it upon herself…”
— a player, Steam review · 3 hrs playedLatest official news
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-26.
| Genres | Adventure, Indie, RPG |
| Player tags | RPG · Indie · Adventure · Sexual Content · Female Protagonist · JRPG · Investigation · Mystery · Nudity · Singleplayer · Hentai · Anime (SteamSpy community voting) |
| Features | Single-player · Steam Cloud · Family Sharing |
| Languages | English, Japanese, Simplified Chinese |
| Official site | https://www.kaguragames.com/ |
Minimum system requirements (PC)
Minimum: OS *: Windows® 7/8/8.1/10 Processor: Intel Core2 Duo or better Memory: 4 GB RAM Graphics: DirectX 9/OpenGL 4.1 capable GPU DirectX: Version 9.0 Storage: 2 GB available space Additional Notes: 1280x768 or better Display. Lag may occur from loading menus or maps. Turn off other programs before running the game.