This role-play is performed by adults. My cute little sister around my age is usually very serious...she doesn't seem to have time to get a boyfriend because she's busy with club activities and part-time work. After returning home and changing from her uniform to a loungewear, her younger sister appeared to be searching for something on her smartphone. With unfamiliar hands, I massaged her swollen breasts and played with her crotch through her clothes. Then, as if she was getting excited, she exposed her bare legs, opened her legs, let out a sweet moaning sound, and masturbated like crazy. She awkwardly plays with her pussy and reaches a convulsive climax using the electric massager she received from her female friend. My younger sister's defenseless masturbation.