Kiss x Sis (TV)

Keita Suminoe's life changed after his mother passed away and his father remarried, bringing home his twin step-sisters Ako and Riko. The girls' initial encounter with Keita sparked an intense and unusual bond, as they both developed strong feelings for their younger brother. As Keita prepares to transition to high school, he grapples with the complexities of his relationships with Ako and Riko, who continue to vie for his attention. Meanwhile, other women in his life also develop romantic interests in him, complicating his already difficult situation.