Mita puts sleeping pills in champagne while Ritsuko is going to the bathroom, and Ritsuko who doesn't know anything drinks the champagne. And Ritsuko was forcibly invited by Mita to stay at Mita's home. At the guest house, I went to the futon room with Miki, who said that monkeys couldn't sleep, and the two of them had a nice atmosphere. Ritsuko is taken to bed by Mita and is in a pinch of desperation !? Ritsuko, who is weak due to the influence of the medicine, sends an SOS mail to the monkey. Miki and the monkey were flirting in the futon, but Ritsuko sent an email to her cell phone saying "Help! I can do it." After being lost, the monkey is completely worried about the chance of losing his virginity.
三田はリツコがトイレに行っている隙にシャンパンに睡眠薬を入れ、何も知らないリツコはそのシャンパンを飲んでしまう。そしてリツコは三田に強引に誘われ、三田の自宅に泊まる事に。民宿ではサルが眠れないというミキと共に布団部屋に行き、2人はいい雰囲気になる。リツコは三田にベッドに運ばれて絶体絶命のピンチに!? 薬の影響で力が入らないリツコはSOSメールをサルに送信する。ミキと布団の中でイチャついているサルだったが、そんなサルの携帯にリツコから「助けて!やられる」というメールが届く。絶好の童貞喪失のチャンスを前に思いっきり悩むサルは迷った末に…。