Abikura wants to show off Ms. Hiwamura's good qualities during their school trip . However,
Ms. Hiwamura is so weak that Abikura ends up having to look after her. Ms. Hiwamura, feeling responsible, tries her best, but in doing so, she ends up creating an intimidating aura. The two are at a loss, but they bump into each other in the open-air bath and find themselves alone together in the inn's closet, bringing them closer together...!?

Abikura receives a blackmail letter that uses his relationship with Ms. Hiwamura as leverage. He is summoned to a meeting place where he finds third-year student Kuguri Kaya. While showing him a photo taken at the pool, she asks him to take "erotic photos of the teacher"! Abikura and Ms. Hiwamura are reluctantly dragged into the photoshoot . Then Yukishita joins in, and a photo contest with the teacher as the subject erupts!