Overview

Your parents leave overseas for work, and you’re home alone with your stepsister, Kurumi.
Kurumi is a bright and energetic girl who loves to tease you.
She knows exactly how to flirt and be naughty around her virgin older brother.
Even if it’s just by marriage, you know you shouldn’t get involved like that with your younger sister, but…
You might just give in to the cute Kurumi and cross a line that’s forbidden to an older brother…​

-Heroine-
Name: Kurumi
Birthday: December 24th
Sign: Capricorn
Height: 143cm
Weight: 39kg
Measurements: B73 W54 H74
Blood Type: B
Hobbies: Manga, anime, games, playing pranks on her big brother.
Sexual Experience: None

Daughter of the woman your father married.
She has a bubbly personality and gets along well with her brother.
She loves to play jokes on her older brother and take in his embarrassed reactions.

Game Elements
-Game Overview-
You can unlock events by buying presents and items with money from your part-time job.
Raise your affection by giving gifts and chatting with her.
Progressing is fairly simple, and reaching erotic scenes should be no issue.

-Certain scenes include hand-drawn animation and voice!-
A Full-HD experience (1920×1080).
Basic CG scenes: 27 (includes cut-ins).
Total CG scnes: 500+ (Includes variations in animation, expression, and clothing.)
Expected Play Time: Roughly two hours.