Yuuma, who had just entered university, had many things he wanted, but couldn't decide what kind of part-time job to do. At that time, Kurosawa, a problem child who had committed an act of violence soon after entering university asked him, “You wanna do some cleaning work?” Hearing that the hourly wage was good, Yuuma decided to accompany Kurosawa to work, but then... The story depicts the work of a “night cleaner.” (Source: Natalie, translated)