The homeroom teacher, Natsuki-sensei, is a dull teacher who pokes at her. One day, I witnessed that Mr. Natsuki was being molested on the train. Moreover, he didn't seem to be reluctant to do so. - The next day, I voyeurized it with my smartphone, showed the video to Natsuki-sensei, threatened her, and forced her to drink an aphrodisiac. Natsuki-sensei begins to feel that it is interesting to commit it half-forcibly as it is. - ...... to thoroughly fall with the synergistic effect of shame and aphrodisiac that is committed in a public place.