Game · Released

HENPRI: HENTAI PRISON

STORY Tulip Prison—a special penitentiary filled with criminals from all over Japan who have been deemed too far gone to rehabilitate. As the “phantom precinct” of the justice system, its facilities occupy an inescapable island that stands alone on the open sea. Shuichiro Minato—a young man who lives in Tokyo. Amid the Christmas lighting one beautiful winter night, he was arrested as a public nuisance. Shuichiro defended himself in court, describing his acts as self-expression—art—but no one could understand him. He was sentenced to ten years of penal servitude for being a pest and resisting a

Release date
March 4, 2025
Platforms
Windows
Developer
Qruppo
Publisher
Shiravune
HENPRI: HENTAI PRISON artwork
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About HENPRI: HENTAI PRISON

STORY Tulip Prison—a special penitentiary filled with criminals from all over Japan who have been deemed too far gone to rehabilitate. As the “phantom precinct” of the justice system, its facilities occupy an inescapable island that stands alone on the open sea. Shuichiro Minato—a young man who lives in Tokyo. Amid the Christmas lighting one beautiful winter night, he was arrested as a public nuisance. Shuichiro defended himself in court, describing his acts as self-expression—art—but no one could understand him.

He was sentenced to ten years of penal servitude for being a pest and resisting arrest. What's more, he was deemed too far gone to rehabilitate... and thrown into Tulip Prison. In a modern-day dungeon with monsters in human skin around every corner, can one brave annoyance survive? Whatever the future holds, one thing is for sure: This prison ain't no paradise. CHARACTER Prisoner #0545: HANAMARU (Voice: Haru Amachi) A self-possessed woman who treats Shuichiro kindly and becomes the first person he opens up to.

She offers him generous advice on the best ways to survive in the prison’s harsh environment. Her nickname is “Cultmaster.” “My little sister and I were just pulling a prank...” Prisoner #0721: KUREBAYASHI (Voice: Hajime Fumizuki) On the outside, she earned the nickname “Drone Girl” for her dealings with secret recordings—in Tulip Prison, she’s just another prisoner.…

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HENPRI: HENTAI PRISON artwork
HENPRI: HENTAI PRISONGOG · Game · Available
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HENPRI: HENTAI PRISON reviews & player comments

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★ 8.0/10GOG · 13 ratings
GOGLast checked November 5, 2026

Most helpful4

★ 5 / 5
At a glance, this looked like a standard eroge taking place in a literal "horny jail" that will introduce its setup as fast as possible…
★ 4 / 5
The story is well written, and the characters seem to have a lot of life with how well put together they move around on screen...…
★ 5 / 5
You get to clock out around 1-4 hours per route depending on your reading, there is around 5 route and all of it is great.…

Most recent4

★ 5 / 5
You get to clock out around 1-4 hours per route depending on your reading, there is around 5 route and all of it is great.…
★ 4 / 5
The story is well written, and the characters seem to have a lot of life with how well put together they move around on screen...…
★ 5 / 5
At a glance, this looked like a standard eroge taking place in a literal "horny jail" that will introduce its setup as fast as possible…

Short excerpts linked to their source. The score above uses aggregate storefront ratings—not these few comments.