In a rural inn far removed from daily life, a naked man and woman are entwined. The thrill of possibly being seen by someone in the mixed bath hot spring has long since become just another source of excitement for the two. "No way! Someone's watching us!!! But don't stop thrusting～" A married woman, JD, delivery girl, and 8 lecherous women engage in intense, close-quarters sex that reaches a climax at an open-air inn.
