Yuka Sawamura, an honor student who serves as the student council president, has transformed into Fontaine, a righteous heroine who punishes evil with a compact given to her by God, and fights evil by hiding her identity. Yuka hears suspicious rumors about the students preparing for the school festival one day. Yuka's bad premonition was correct, and the enemies that Fontaine had defeated in the past were resurrected all at once! In addition, Fontaine will have a match in the ring with Demonia Mask, a professional wrestling monster born when popular heel wrestler Kasai is possessed by a lascivious demon. Where will the victory go...! ［BAD END］