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Will you surrender to your sadistic stepsister’s twisted desires?
Dive into a dark, character-driven SIMULATION set in high school, where a stepsister’s dangerous secrets test friendships and loyalties. With a strong 4.71 rating from 26 ratings and 1,000+ total downloads plus 200 in the last 30 days, this free narrative delivers tense drama and surprising twists.
Pros & Cons
- High rating from a dedicated, though small, user base
- Free-to-play entry lowers barriers to start
- Distinct cast with varied relationships (Reika, Seri, Yoshiko)
- Dark, twisty narrative that blends school life with psychological drama
- Not ranked in any top lists
- Ratings come from only 26 users, a small sample
- Uses ad/analytics and notification permissions common to free apps, which may affect privacy considerations
- Some players may seek broader genres like romance, puzzles, or action not present here
About My Sister, My Mistress
My Sister, My Mistress is a simulation app developed by Interactive Studio Inc..
Download Statistics
My Sister, My Mistress has been downloaded 4.9 thousand times. In the last 30 days, the app was downloaded 200 times.
User Ratings
My Sister, My Mistress is rated 4.71 out of 5 stars. The rating is based on 26 ratings.
App Information
My Sister, My Mistress is FREE to download. The APK download size is 47.74 MB. The latest version available is 3.0.0. The last update was on July 24, 2026.
Technical Requirements
The app has a content rating of Medium Maturity. The app has been available on Google Play August 2025.
More data about My Sister, My Mistress
| Price | Free to download |
| Total downloads | 4.9 thousand |
| Recent downloads | 200 |
| Rating | 4.71 based on 26 ratings |
| Ranking | Not ranked |
| Version | 3.0.0 |
| APK size | 47.7 MB |
| Number of libraries | ? |
| Maturity | Medium Maturity |
| Ads | Contains ads |
App Performance Report
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My Sister, My Mistress compared with similar apps
Common keywords of similar apps
Sadistic Reika Twisted Yoshiko Sister Stepsister Friend Classmate Ordered Spy Seri Time School
Keywords missing from this app
Games Hidden Love Object Romance Anime Adventure Find Game Story Romantic Puzzles Mystery Girl Objects World Horror Solve Escape Revenge Yandere Brain High Secrets Play Chika Otome Mita Scary Dark Experience Puzzle Magic Girlfriend Stories Fun Fans Inside Teasers Father Enjoy Uncover Challenges Ai Seek Riddles Https Cindy
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Google Play Rating history and histogram
Downloads over time
My Sister, My Mistress has been downloaded 4.9 thousand times. Over the past 30 days, it has been downloaded 200 times.
Changelog of My Sister, My Mistress
Developer information for Interactive Studio Inc.