When he tries to teach himself how to have an orgasm, Panto slaps at him. Panto is a childhood friend of Hiiragi's, and he slaps and pinches at the pant leg of his friend. The pant leg trembles and groans as if they are about to be sucked into a sexual abyss. When he realizes that Panto has a girl friend, he asks her to introduce him to her next time he wants to have sex.