"I'll teach you..." My aunt gives her a creampie sex guidance to her nephew's virgin cock firsthand.

The Hojo couples are required to take care of their nephew Susumu, who is moving to Tokyo for a summer course, for a while. One day, her aunt Maki witnesses Susumu masturbating with her underwear as masturbation material. Maki is angry at him, who has even been taking photos of him, and is so passionate that she takes all the items and checks what's inside... The video shows me as I spend my days unfulfilled, and I feel the pain of frustration. That night, when Maki notices Susumu peers at masturbation, she visits his room and says, "I'll help you..." and starts stroking her cock...