A married woman, Mina Kitano, living in a company house, has not had a chance with her older husband! On the other hand, the husband and wife next door are going crazy for sex every day! In this company house with thin walls, you can hear the sounds of sex and the moans from the next room! If anything, Mina's sense of disappointment grows stronger and eventually her desires shatter! She goes to the next room and seduces her husband's subordinate, breathing heavily because of it! Sometimes, she pulls him into her room and lets her husband hear the sounds of a man panting and enjoys it...! A new form of NTR is woven by the thin walls.