
Mandatory Mentor
A downloadable game for Windows, macOS, Linux, and Android
Mandatory Mentor thrusts you into the high-stakes role of tutoring Reina—a hopeless, spoiled, and bratty student who only has seven days to study for and ace the University of Tokyo entrance exam. To eliminate distractions, you and Reina are forcibly exiled to a deserted tropical island to focus entirely on her studies.
Failure means the island becomes your permanent home—where coconuts and ramen are your only companions. Success? A one-way ticket back to civilization.
Will you mold Reina into a star scholar worthy of Tokyo University? Or will you fail miserably and settle into your new career as a Coconut Collector?

- Fully Voiced Dialogue! Hear her words, feel her emotions. All of Reina's in-game dialogue is fully voiced!
- Playthrough Rewards!
Didn't get the ending you wanted? No worries! After your first, third, fifth, and tenth playthrough, you'll unlock game-changing modifiers to shift fate in your favor! Enjoy starting your next run with a Big Large Paddle!
- Every Choice Matters! A heart-pounding seven-day countdown where every Meal, Lesson, Reward and Punishment counts. Don't spoil Reina too much now... No one likes a Brat!
- Gallery Mode! Great moments deserve a second look. The Gallery Mode lets you revisit all the scene you've unlocked! You know... For reasons!
- Achievement System! Think you're done? Anyone can finish the game, but only the worthy uncover every hidden challenge!
- Survival Mode! A whole new way to play beyond the standard game mode! In this brutal challenge, Reina is cursed, and time is not on her side. Each day, her strength dwindles as Trait Attrition eats away at her stats. Careful management of meals, lessons, and punishments is the only way to keep her going—because once her stats hit zero, it’s game over.
If you like the game and want to support my creative activities, please consider checking out my pixivFANBOX or SubscribeStar page!
Published | 20 hours ago |
Status | Released |
Platforms | Windows, macOS, Linux, Android |
Rating | Rated 4.0 out of 5 stars (1 total ratings) |
Author | Kana |
Genre | Visual Novel |
Made with | Ren'Py, Blender, Audacity, Paint.net |
Tags | 3D, Adult, Anime, Eroge, Erotic, Hentai, No AI, NSFW, Porn, spanking |
Average session | A few hours |
Languages | English, French, Japanese, Chinese (Simplified) |
Inputs | Keyboard, Mouse, Touchscreen, Smartphone |
Accessibility | Color-blind friendly, Subtitles, High-contrast |
Links | pixivFANBOX, SubscribeStar, Twitter/X, Pixiv, Iwara, SpankingTube |
Purchase
In order to download this game you must purchase it at or above the minimum price of $3.95 USD. You will get access to the following files:
Development log
- Changelog 1.0 --> 1.1 [Mini-DLC #1]20 hours ago
Comments
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Nice game. I wonder how can I find the last peach, I'm so curious about the secret reward...
Absolutely love it! If you liked Kana Sensei, you should definetely give this one a try. It's fantastic as it is and has a lot of potential to grow with futute updates. For example, I'd absolute love the idea of adding some more students/personalities to choose from and perhaps customizable starting outfits.
Please buy and leave a generous tip so we can all hopefully see more high-quality content of Kana Sensei in the future. :-)
I'm always happy to see new games, particularly from good game developers. Having said that, I strongly dislike the new art style to the point that I even quit playing Kana Sensei at day 4, so this is a "no" for me.
new game!