Kimishima Yayoi is a full-time housewife married for three years. Despite being lonely because her husband Kouhei is working absent from home, she was still spending a happy life with a newlywed mood.

One day, from Asahi who is the younger sister of Kouhei, the consultation is proposed. Asahi awakes an accident, she ask if you will help to pay the large sum for damage.

She thought it was relied by the younger sister of beloved husband, Yayoi tried to respond seriously, a cunning trap of men approaches Yayoi who is trying to resolve consultation of sister-in-law and protect a happy family.

Stalking was doing, the weakness is grasped, the body is demanded instead of money...