Because her husband was on a business trip, Reiko's nephew Yuya moved into the Sawamura household for several months with no issues. One night, an incident occurred. When Reiko got out of the bath, she saw Yuya in the changing room frantically smelling her dirty underwear that she had been wearing just moments ago. 'What are you doing!' Reiko was shocked, but seeing his erect penis reignited the forgotten desires of her heart...
