A married woman, Ai, witnesses the appearance of her neighbor, Ogawa, who wipes her body naked. The moment I was fascinated by the thick penis, my eyes met and I ran away. Furthermore, the next day, Ai who started masturbating from frustration is witnessed by Ogawa. Ai explains the situation to Ogawa who escaped. The two get together and shorten the distance. The two who were never supposed to meet will have a relationship that makes them sweaty after witnessing this masturbation.