While driving, housewife Rei is suddenly hit with the need to urinate. "I can't take it anymore!" She rushes to a neighbor's house to borrow the toilet, but unfortunately, no one is there. Unable to bear the extreme need to urinate, Rei urinates on the spot. Rei is relieved that it happened at the last moment, but... the landlord has witnessed her indecent behavior! Rei hurriedly apologizes for her rudeness, but the landlord approaches her with a grin and tells her that her crotch is dirty, so he invites her into the house to take a shower...