A female college student moves to Tokyo and gets her first part-time job at a convenience store. She starts having fun, but the older man she works with is no good... She naturally starts to avoid him, but... Yui Hina takes on the challenge of acting out a scene where she climaxes without wanting to! One night, they end up working the night shift together. The female college student has her weakness exposed while at work, and the older man's persistent caresses bring her to climax. The older man's sex techniques, which make her climax many times while working at the convenience store, and she starts neglecting her college life...