Make Your Tsundere Little Sister Fall for You!! ~30 Days Living Together~ is published on xGames in a collection of porn games. Free download of this adult game is available via few clicks. All new games and different updates are are always available for you is always here.
You are the older brother of a younger sister who is just starting to learn about sex, and you can develop her body over the course of 30 days. Increase your sister’s favorability by going out with her, and increase her lewdness through late-night touching to make her fall in love with you! The ending changes depending on your status and progress.
Last update: 2025-11-30
Released: 2025-05-31
Original Title: ツンな妹をデレ堕とす!! ~二人で暮らす30日間~
Aliases: From Tsun to Dere Conquering Your Sister’s Heart!
Creator (developer): Studio Neko Kick / スタジオねこキック – –
Translator: –
Censored: Yes (Mosaics)
Version: Final
Store:
Translation Thread:
Other Games:
OS: Windows
Language: English (Fan Translation)
Voice: Japanese
Genre:
Install instructions:
Developer Notes:
You can increase her favorability by making good use of the options that change between day and night.
Earn some money through part-time work and use it to try to get closer to your sister.
Character Introduction
Your Younger Sister (default name: Saki)
A student who recently began her rebellious phase against her older brother.
Despite her outstanding figure that is obvious at a glance, she has no sexual experience and had never masturbated.
Although she generally takes an assertive attitude towards her older brother, the protagonist, she also has an obedient, more honest side.
As long as her brother invites her out, she will go with him.
Make Your Tsundere Little Sister Fall for You!! ~30 Days Living Together~ [Final] [Studio Neko Kick]: screenshots
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Your opinion is always welcome. Feel free to leave comments, ask questions, give instructions, or present your thoughts in the comments. Creators are curious about your thoughts. You can guide the direction of the plot, and inspire creator for new levels. In case you discover an issue, please feel free to share it in the comments below. This can help creator fix the game. If you are stuck in one level and can’t find the path, just ask other players and they will share the tips how to go in the right direction.