Mezon-bi jukujo: Nurunuru geshuku

Original title: めぞん美熟女 ぬるぬる下宿

Newspaper salesmen Kihachi and Jiro live in a boarding house with their landlord Harue, who is always reminding them of their overdue rent, Janet, a call girl who always helps them satisfy their sexual needs, and Akemi, their younger sister who always falls in love with men and gets rejected. But when Ichino, the landlady's niece, shows up, Kihachi and Jiro's lives change completely...