The father was displeased that his daughter had married into the family, openly expressing his resentment toward his son-in-law, Kousuke. Upon learning of her husband's attitude from their daughter, mother Nozomi is asked to help mend the strained relationship and decides to talk with Kousuke. However, Kousuke, already drawn to Nozomi's obscenely large breasts, misinterprets her intentions. The delicate family dynamics begin to shift in unexpected and intimate ways.