Sumire is Sumire Yosuke with the intention of getting married. When Yosuke introduces her to his father and she goes to his house, she finds her former sugar daddy partner there. When her father suggests that the three of them live together, Sumire accepts, fearing that if she upsets him, he will tell everyone about her sugar daddy relationship. One day after they started living together, Sumire has to go to work suddenly, and Sumire's father is left alone with her, so he puts an aphrodisiac in Sumire drink and pushes her down.