Due to the sudden rain, Tachikawa and Komako Komako decided to take shelter from the rain at a covered bus stop, and were grateful that thanks to Tachikawa, they were able to have sex with Chie. Hearing this, Tachikawa's crotch swelled with anticipation. Tenka had a fight with her family over her idol activities, and she ran away from home. As Tachikawa listens to Tenka's story, he somehow finds himself in an erotic mood. An empty classroom during summer vacation. Chie is naked and takes various poses according to Tachikawa's requests. Not only was she forced into naughty poses, but she was also made to masturbate on the edge of her plane.