My wife ran away from home, so I went to my stepmother...

He has been married for seven years... and has not had children, and due to his busy schedule, Keiichiro has been living a life of misunderstanding with his wife Maria. One day, Maria suddenly runs away from home. Keiichiro is worried about Maria's body and visits her stepmother, Ririko... However, when Ririko asks Maria whereabouts, Keiichiro blames herself, saying, "Why didn't she pay more attention to him?" Seeing her stepson like that, Ririko can no longer look away from the fact that her daughter is suffering Keiichiro...