Mature Content Description

The developers describe the content like this:

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.

About This Game

Tsukikage Gakuen ~Forbidden After-School Hours~

After transferring to Tsukikage Gakuen University, get to know Yuki, Ms. Makoto, and Akane through dialogue and choices. Follow their character routes, discover different endings, and revisit the story to unlock hidden content.

Three character routes, five endings in total

• Yuki Route — Eternal First Love
• Ms. Makoto Route — Peace After the Forbidden
• Akane Route — Red Moon No Longer Alone

The five endings include the hidden ending. Explore different choices across playthroughs to find them.

Gallery and hidden content

• Unlock gallery artwork and animated replays as you progress.
• Discover the hidden "Chaos Harem" ending and dream-themed bonus scenes across playthroughs.
• Includes eight background music tracks.

Text in five languages
Interface and story text are available in English, Japanese, Traditional Chinese, Simplified Chinese, and Korean.

AI-generated content
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.

This visual novel is intended for adults. All characters are 18 years of age or older; the setting involves university students and adults.