The homeroom teacher, Maron-sensei, is a dull teacher who constantly comes on to me. One day, I witnessed such Maron-sensei being molested on the train. Moreover, she didn't seem to mind it. I, who secretly filmed it with my smartphone, showed the video to Maron-sensei the next day and threatened her, forcing her to drink an aphrodisiac. Maron-sensei, who begins to feel interesting as I forcibly violate her from there on. I will thoroughly corrupt her with the synergistic effect of the shame of being violated in public and the aphrodisiac…