The Kujou couple decided to temporarily take care of their nephew Shinji, who was in Tokyo for summer cram school. One day, Aunt Maki caught Shinji masturbating using her underwear and even found out he had been secretly recording her. Enraged, Maki seized all his belongings and checked them… The videos showed herself in unsatisfying days, making her keenly feel the pain of sexual frustration. That night, noticing Shinji masturbating, Maki went to his room and said, 'Let me help you...' and started jerking him off.
