Ako Suminoe

Ako Suminoe is one of the main characters of the series. She is the older twin sister of Riko Suminoe and older step-sister sister of Keita Suminoe. Ako has tuscan red hair worn in a shoulder length wide ponytail with a hair clip to keep her hair off her forehead and a wide forelock to the right side of her face and amber-brown eyes. Ako is very bright and cheery girl who is more accomplished, intelligent, responsible and maternal. She excels in her studies and housework. She is also endeavor to maintain a prim and proper demeanor. Despite this, Ako can be emotional, peppy, easily embarrassed, reluctant and perverse, especially her well-known open secret. Ako is also the general manager of the student council for her school. However, like Riko Suminoe, Ako abuses her authority to get some alone time with Keita Suminoe. Besides being unafraid of abusing her own authority, Ako is also unafraid of covering up an embarrassing occurrence, such as when she asked Keita to pick up her, Riko's, Miharu Mikuni's, and Yūzuki Kiryū's alternate clothes when the teacher and the sisters got into a severe fight over the romantic interest in Keita.