![KissXSis — Opening | BalanceKISS by Ayana Taketatsu and Yuiko Tatsumi [Subtitled]](https://image.tmdb.org/t/p/w1280/porr8fbCNEth5B2t6f5L2YfZc2C.jpg)
The story begins with Keita Suminoe, a male third-year junior-high school student studying for his high school entrance exams. He is living in a home with his older twin stepsisters, Ako and Riko, who share no blood relation to him, and they help him prepare for his exams. Even though he initially d...