The story of a lustful older sister-in-law who takes the place of her seriously ill older brother and brings her to orgasm with her younger brother's erect penis. (Tada Yuka, JJDA-061)

Hearing that his older brother, who lived in the next town, was seriously ill and recuperating, the younger brother went to visit him. His sister-in-law, Hayato, said, "Thank you for coming to see me, Hayato-kun." "If it's convenient, please stay tonight," the younger brother said, his heart racing. He decided to stay the night. Late at night, the house was quiet, and the younger brother was alone with his sister-in-law in the kitchen. He had heard that his older brother was busy with work and rarely spent time with his sister-in-law, which made her feel dissatisfied. The young and energetic younger brother immediately felt an erection…!