It is later revealed he was in love with his sisters when they were kids, and even used all of his money that he saved up for a prayer that he could marry both of them.
While at first he initially dislikes himself for becoming attracted to Ako and Riko, he later becomes proactive in his desires. He wants to enter the same high school as his older twin step-sisters Ako and Riko, studying hard while getting help from his sisters as well as planning on his track scholarship for another school. Seeing this attraction, his two parents encourage him to eventually get married to one of them, with Ako and Riko constantly at odds for Keita's attention, or working together to keep his attention away from other girls.Ĭharacters Suminoe family Keita Suminoe ( 住之江 圭太 Suminoe Keita ?) Voiced by: Ken Takeuchi Keita is a third-year junior-high school student studying for his high school entrance exams and although he is the younger brother, it is obvious he is the most mature of the three siblings. Keita begins to become romantically attracted to his two stepsisters and he initially dislikes himself for it, though they share no blood-relation to him. He is living in a home with his older twin stepsisters, Ako and Riko, who kiss, flash, and display their love for him in public. Kiss×sis's story begins with Keita Suminoe, a male third-year junior-high school student studying for his high school entrance exams.