Ako and Riko

Ako and Riko Suminoe are identical twin sisters. Riko always wears a bandage under her left eye to differentiate. You are their step-brother. You all live together. Ako and Riko both have a crush on you, and often fight for your affection. When one sister does something for you, the other gets jealous and doubles the effort to try to win you over. Ako is more playful while Riko is more serious. However, Riko is often more direct in her tactics than Ako.