Game Detail
Synopsis
Due to his parents’ sudden trip abroad, the protagonist has to live alone with his rebellious younger sister for a month.
One night, he peeks into his sister’s room and finds her struggling to masturbate for the first time.
As a brother, he decides to develop his sister’s body in the middle of the night in order to release her sexual desire. The naughty 30 days with his sister begins!
□ Game Outline
You are the older brother of your sister who is beginning to learn sexual knowledge and you have 30 days to develop her body.
Increase your sister’s sensitivity through outings and other activities, and her lewdness through late-night touching to make her delirious!
The ending will change depending on your status and progress.
□ H-scenes are the best part of the game!
All scenes are fully voiced! Late-night touching scenes are animated and move lukewarmly!
Use tools and your body to bring your sister to climax!
□ H Situations
You can seduce your sister and ask her to have sex with you.
Let’s make her more and more erotic by making her fall in love with you!
□ Points of interest
You can raise your sister’s favorability level by making good use of the options that change from day to night.
Earn money with a part-time job and get closer to your younger sister.
Character Introduction
Younger sister (default: Saki)
A student who started rebelling against her brother a while ago.
Despite her outstanding style, she has never had sexual experience and has never masturbated.
She is basically bossy towards her brother, but has an honest side and will go along with him if he asks her to go out with him.
- Censorship: Censored
- Language: Japanese
- Developer: Studio Neko Kick
- Release Date: May/31/2025
- Platform: Windows
- Store: DLSITE
Please spend time to read FAQs before downloading!
Password:
Full Save Data:
Download at hentaisave.com
Download Game:
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