Yamashita, who works part-time at a convenience store, has feelings for his coworker Sumire. When his best friend Shimoda visits the store and is served by Sumire, Yamashita confesses his crush. Shimoda tells him, "She's the kind of woman who's weak to pressure." To have sex with Sumire, Yamashita starts a strategy of asking her for small favors first. He succeeds in getting her to show him her panties after performing a dogeza at the convenience store! Taking advantage of her inability to refuse, he gradually asks for harder things, turning Sumire into his female slave...!
