Her husband is useless... He's in his 40s and has zero libido. Recently, Ayane, whose libido is on the rise, has been frustrated. She attaches a dildo to her husband's golf bag and indulges in masturbation, pretending it's a young dry cleaner. She wants some excitement... Then, one day, she gets an obscene prank call. Ayane hires a detective and finds out who the culprit is, and it turns out to be a docile young man. Seizing the opportunity, Ayane names the young man "Dildo No. 1" and plays with him as she pleases...