shadowbragon

Koichi has been married for only five years and already he's got the seven-year itch. He suffers from a very boring, very ordinary life with his wife Kanako and their daughter.

Keita Suminoe is a third-year Japanese middle school student living with his father, stepmother, and older twin stepsisters, Ako and Riko in undisclosed Japan. Since the remarriage of their parents at childhood, the siblings have always been affectionately close and supportive of one another.