Hashimoto enters the house to confirm the truth of an erotic aunt who is rumored among students in his neighborhood that "I'll let you sex if I ask for it." It was Yugako, a mature woman who knew nothing. When I was disappointed and came back to Hashimoto, my classmate Hirai secretly sneaked in alone. There, he was in the state of jealousy of Yugako, who was self-consolation and envious. When Hirai confesses that he is a virgin without any hope of suppressing his excitement...