On the day of the move, Yumi packs her belongings into the truck and heads to the apartment she's moving to, but gets caught in a torrential downpour and gets soaked. Her underwear is see-through and her change of clothes hasn't arrived yet... After worrying, Yumi puts on the overalls she happened to have brought with her. The truck finally arrives and they begin the moving process, but they are spotted by Motoki, who lives next door. Motoki can't take his eyes off the naked overalls that keep plopping out from the front and side...