"Riona" visited her uncle's house in uniform. - She is very interested in sex and can't concentrate on her studies because she masturbates every day. "I'm a bad boy, I have to be punished..." My uncle scolded me back then. My uncle is the only one who will punish me ... And masochistic training that began. - Her immature body is tied up and her uncle's dick is thrown into her. Pain and shame turn into pleasure and awaken to masochistic propensity ...