After a humiliating encounter in an all-girls home ec club, Satoshi stumbles into a side gig cleaning apartments. But what starts as a favor for his landlord spirals into a chaotic double life—balancing school, shady clients, eccentric teachers, and a growing online gig cleaning empire—all from his tiny room. As clients get weirder and secrets get deeper, Satoshi realizes: he's not just scrubbing floors—he’s uncovering mysteries, one dirty apartment at a time.