Misuzu, a teacher at the private Seishiki Academy, is pure and pretty, passionate about education, and popular with the students. She was put in charge of the annual school festival, the "Shaseisai," and was working hard on the preparations. However, Misuzu had one concern. Class H was described as a "dropout." Their grades were the lowest in the school, and they were hated as "the Hs of the garbage dump" and "the Hs of the perverts." Misuzu tried her best to reform Class H by participating in the school festival, but the students were planning obscene events to play with Misuzu's feelings...