Momoko works as a vice president at her husband's company. Her husband has a lot of womanizing, and their relationship is now like strangers. Then, a handsome new graduate named Sakichi joins the company. Momoko secretly uses Sakichi as a hobby, but one day a miracle happens. She gets to go on a business trip overnight in her husband's place. Momoko doesn't miss this chance and orders Sakichi to accompany her, saying "This is also a study." After successfully completing the negotiation, Momoko calls a celebration party and makes Sakichi drink alcohol, and she drowns him in sex under the pretext of training...
