In the first part, the sister is jealous of her older sister who shows off her affectionate relationship with her boyfriend at home. Taking advantage of the older sister's post-sex sleep, the younger sister seduces the boyfriend herself. In the second part, the younger sister, who was aroused and masturbating under the bed while listening to her older sister having sex, has her activities noticed by the boyfriend when the older sister goes to take a shower, leading to the younger sister having sex with the boyfriend. Which of the two sisters do you like?
