Schoolgirl Amu secretly earns money by giving blowjobs to men in alleyways, all for her boyfriend. The convenience store manager catches her in the act but strangely offers her the store's back room. From then on, Amu continues her sex work there, starting a new life. As the manager becomes increasingly intrigued by her, he slowly begins to fall for her. Amidst Amu's genuine emotions and her risky lifestyle, their relationship takes a complex turn.