The student council members, accompanied by a nun, a warrior, and a miko, launch a determined effort to cleanse the school of its disruptive influences. Unaware that the student body has already grown content with the prevailing atmosphere, they soon encounter the head teacher. Drawn into an unexpected public demonstration before the entire school, the group faces a profound test of their resolve. Through this experience, they begin to embrace a deeper transformation that aligns them more closely with their surroundings.