As her job in Tokyo gradually stabilized, Rena and her boyfriend Yuichi returned to her hometown. Her boyfriend was under pressure from work, so he was physiologically weak, the doctor said that the two should not rush to have sex, so she has never been satisfied for a long time. When she returns home, she is surprised that Yuzuru is also at home, but due to being rejected by her crush, Yuzuru feels depressed and drops out of boarding school and returns home. Rena was about to encourage Yuzuru but his poor choice of words made him even sadder. Remembering that Yuzuru used to like to read big tits hentai stories, Rena decided to let him squeeze her breasts so that Yuzuru could be more excited. Thinking of doing it, Rena went to Yuzuru's room and let him squeeze her breasts, but Yuzuru wanted more than that, he wanted to fuck her! Although her mouth said "no", in her heart Rena felt extremely radiant and excited. The feeling of happiness that her boyfriend couldn't give Rena made her gradually forget everything. And the two constantly secretly fucked each other everywhere in the house. Even both of them maintained this forbidden relationship even when Rena returned to Tokyo...