Принадлежащий:A younger sister dozing off in front of her older brother. Seeing her defenseless appearance, her brother becomes lustful and starts masturbating even though he knows she is her sister. The naughty pranks on her sister who wont wake up gradually escalate. However, her sister finds out and is turned off by her sister. Even so, the kind sister who cant hate her brother must have been cursed because shes got a lot of feelings, right? and offered to help with masturbation...!