Setsuko Tanaka (48) is a woman who mails homemade advertisements with suspicious wording one after another. She lives alone with her stepson, Kazuo. She regrets having had a physical relationship with Kazuo in the past. She feels that he shouldn't have to be with a middle-aged woman like her. However, her sexual desires are growing stronger every day, and it troubles her... Then Setsuko has a brilliant idea. (That's it, I'll put out an advertisement for home care services... "What kind of...