Miu, a tsundere sister with long black hair and big breasts.
Her dislike of studying is a disaster, and her math grades are plummeting!
His older brother, Kanata, is given the role of a tutor by his mother in return for spending money.
However, the younger sister in the middle of adolescence refuses to be alone with her brother.
After a compromise between the two, we decided to hold a study session with three people, including my sister’s friend Riko!
Riko with brown hair and twin tails and big breasts. She is also “super” cute.
Such Riko favors Haruta who is good at teaching.
Riko has a small devilish smile and always sticks to Haruta’s body while studying.
A younger sister who glares at her older brother who is in a state of dere dere.
When she suddenly notices, Haruta is in a state of being pressed by both !?