Yoshinobu visits his best friend Satoshi's house, but finding it empty, he turns to leave when Satoshi's mother, Chiaki, calls out to him and asks him to wait inside. While waiting in the room, he accidentally discovers a handheld camera. Curiosity takes over and he presses play, only to find secret footage of Satoshi, his brother, and Chiaki in a private encounter. Yoshinobu's crotch is already on the verge of exploding. Just then, Chiaki walks into the room carrying tea.