KissXsis
The protagonist, Keita Suminoe, is a male student who is currently in his third year of junior high school and is preparing for his high school entrance examinations. He is currently preparing for his upcoming tests with the assistance of his older twin stepsisters, Ako and Riko, who are not related to him by blood. They share a home with him. In spite of the fact that he initially despises himself for it, he eventually develops feelings of attraction for his two step-sisters, and both of his biological parents encourage him to finally tie the knot with one of them.
Released: 2010-04-05