Episode :
Rina sets a challenge for Nanashi to refrain from masturbation until they engage in sexual intercourse. The following day, Nanashi is on the verge of succumbing to temptation, yet ends up having sexual relations with the girls in the women’s locker room. However, they come close to being caught by Yuka, their curvaceous teacher. At this point, Nanashi engages in sexual activity with those girls inside a locker while observing their teacher change her clothes.
