Tsukikage Gakuen ~Forbidden After-School Hours~

The publisher declares adult content on Steam. Your mature-content setting is covering the art.

Developer: neineimeow
Released: Sep 1, 2026
Tags: Adventure

View on Steam

Where to buy

Steam

Buy on Steam

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What owning this involves

No cloud saves · The store does not back this game's saves up — they live on the machine you play on.From the store listing

Only what the store discloses. Nothing listed here means the store disclosed nothing — not that there is nothing to disclose.

AI Generated Content Disclosure

Declared by the publisher

This game uses generative AI to create some of its content. Character art, backgrounds, and CG scenes are AI-generated, and character voices use AI text-to-speech. All AI-generated content was reviewed and edited by the developer before release, and is pre-generated rather than created live during play.

Required on Steam since 2024. Covers what ships, not tools used in development. Check it on Steam.

Features

Steam Achievements
Family Sharing

From the game's Steam store page.

Languages

English
Japanese · full audio
Simplified Chinese
Traditional Chinese · full audio
Korean

Steam lists 5 languages, 2 with full audio.

Age rating & content

DEJUS 18 · Nudez ViolênciaThe rating board's own rating, as Steam relays it
Some Nudity or Sexual Content · Adult Only Sexual Content · Frequent Nudity or Sexual Content · General Mature ContentSteam's content descriptors, as the developer answered them
This is an adult visual novel intended for players aged 18 and over. It contains frequent nudity and explicit sexual content, including fully illustrated and animated sex scenes. All characters depicted in sexual situations are 18 years of age or older university students and adults. The story also explores mature themes including past domestic abuse, bullying, and a teacher–student relationship, with mild, non-graphic references to past violence.The developer's note on the content, from Steam

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About this game

The developer's description, from the game's Steam store page.

Three encounters. A story shaped by your choices.

Cherry blossoms mark the start of your new life as a transfer student at Tsukikage Gakuen University. Among the people you meet are the lively Yuki, the kind Ms. Makoto, and the reserved Akane.

Tsukikage Gakuen: Forbidden After-School Hours is an adult romance visual novel. Read the dialogue, make choices, and explore the individual stories of three characters. Where might an ordinary conversation lead?

Meet the three heroines

Yuki An outgoing, straightforward classmate who brings warmth to your first days on campus. Sometimes, her shyness shows through.

Ms. Makoto A kind, dedicated teacher who is happy to offer patient guidance as you settle into university life.

Akane A reserved young woman who tends to keep her distance. Start with a conversation and get to know her at your own pace.

Explore the story through dialogue and choices

Follow three character routes and discover multiple endings through different choices.
Unlock gallery images and animated scene replays as you progress.
Return to the story to discover content you have yet to encounter.

Languages and voice acting

Interface and story text are available in Traditional Chinese, Simplified Chinese, English, Japanese, and Korean. The main heroines have synthesized Chinese and Japanese voices; some lines are unvoiced.

Content notice

This is an adult romance visual novel set among university students and adults. All characters are 18 or older. Please read the store’s mature content description before purchasing.

AI-generated content disclosure

Character artwork, backgrounds, and CG illustrations use AI-generated assets, and voices use AI speech synthesis. These assets are generated in advance, then reviewed and edited by people. No content is generated in real time during play.