Futaba, a college student working part-time at a convenience store, is having an affair with her married manager, but to fill her unfulfilled heart, she turns to Shibuya, a fellow part-time employee. Shibuya is confused by Futaba's proposal to have sex only, despite his secret crush on her, but he gives in... They stay together all night, until they run out of condoms. "I can't date you. Sorry. But if you're going out for drinks and want to have sex, I'm fine with that..."