Yamashita, who works part-time at a convenience store, has feelings for Sumire, who works with him. Yamashita's best friend Shimoda comes to the convenience store and receives service from Sumire. When Yamashita confides in Shimoda about his feelings for Sumire, Shimoda declares, "She's the type that gives in easily." To have sex with Sumire, Yamashita plans to start by asking for simple favors. He asks Sumire for a favor and successfully gets her to kneel and show him her panties at a convenience store! Taking advantage of her inability to refuse, he gradually asks for harder favors, turning Sumire into a female slave…!
