Sister Craving Fuck is a movie by female idol Minori Kawana, a girl with an innocent and lewd schoolgirl face. When Minori was at home, she was dressed extremely perverted, she didn't wear underwear, and she often showed off her innocence to her younger brother.
She often sneaks and sucks her brother's cock secretly, while her parents are doing housework without paying attention, and things gradually progressed further when she couldn't stand it anymore, so she stuffed her brother's hard cock into her butterfly...