Synopsis

Kohinata Taiga is a 24 year-old salaryman with no experience in love, no social skills, and no passion for life. One day, on his daily commute, he experiences a fateful “accident” that leads to his first-ever love: Komada Tae (32), an older woman with a youthful face and a voluptuous figure.But behind her soothing demeanor lies a surprising truth—she is a professional female shogi player!

Thus begins the “ultimate gap romance” between an awkward virgin salaryman and an older pro shogi player. But is this love destined to be a “sin”??