The woman who moved into the room next to married man Yamada is Yumika, a perverted wife who charms men by going braless and pantyless! Fortunately or unfortunately? Because his wife was injured and hospitalized, Yamada receives Yumika's warm hospitality! She tempts him every day by showing her faintly transparent erotic nipples and her lewd pussy that makes him want to insert it! Naturally, he can't resist and it develops into an affair! He is quickly drained by her intense blowjob and high-speed cowgirl position... The double affair with the dick-loving wife cannot be stopped!