Kisaragi Minori, a 31-year-old wife, has been in a relationship since her school days, which led to a happy marriage blessed with a beloved husband and son.However, life doesn't always go as one wishes. Minori's world turns upside down after she sees a picture of her husband, Yuudai, with another woman and a child, allegedly his son."Is this his other family?"Minori couldn't hold back her sadness after discovering how blind she had been all these years. She decided to take her own revenge by destroying the other "family" Yuudai cherished.