Yuri is heartbroken after losing her husband. Yuri's nephew is worried and comes to check on him. The nephew forgets his girlfriend's wallet and misses the last train, and ends up staying at Yuri's house that day. When her nephew is sleeping, she suddenly hears Yuri's panting voice. When her nephew heard the voices, Yuri was masturbating to drown out her sadness over the loss of her husband. Seeing this, her nephew can no longer hold back and attacks Yuri.