Mina Kitano, a married woman living in a company housing complex, hasn't had sex with her older husband for a while! Meanwhile, her husband's subordinate and his wife, who live next door, are having sex every day! In this company housing complex, the walls are thin, so the sounds of sex and moaning from the next room can be heard through the air! Mina's sexual frustration grows and she finally bursts out of her desire! She breaks into the next room to seduce her husband's subordinate and moans ostentatiously! Sometimes she pulls him into her own room and plays the slut, enjoying letting her wife hear the man's moans...! A new form of NTR woven by thin walls.