"Are you excited by your aunt's underwear?" Aunt Ayumi Natsukawa squeezes every drop of her nephew's sperm out of her freshly taken off panties
Ryota is staying at his aunt's house to attend university in Tokyo. Although he is grateful for his boarding house, he is troubled by the fact that it is too close to his aunt Ayumi, who he has long admired. He is not human enough to remain calm when the woman he is attracted to is right in front of her. Ryota finally reaches the limit of his patience and lusts after taking off her panties, so he secretly wraps them around her and begins playing alone. However, unfortunately, Ayumi comes along...