Reina, a member of her school's photography club, meets a kind older man while shooting photos in the park. He gently offers her detailed advice on photography, and touched by his kindness, she grows close to him. Later, she agrees to visit his house to show him her photo work, where he turns her into his subject for explicit photography. Conflicted and uneasy, Reina voices her doubts, but he replies, "Haven't I taught you plenty up until now?" Drawn in by his words, she's pressured into giving him a blowjob and ultimately ends up being taught how to have sex.