Combat Freshman Class One petitions the academy to reinstate Ms. Mercer as a mentor assistant despite her losing her summon while saving students. The academy rejects their plea harshly, and the new homeroom mentor expels Sarah, a freshman who spoke in Mercer's defense. Mercer comforts Sarah and promises to help her get into a better university by training together. Mercer reveals her new bonded summon, Rotter, who boasts powerful abilities but has an unexpectedly sweet voice that unsettles others. As they prepare for dungeon training, the episode ends with Sarah excited and empowered yet still facing the consequences of expulsion.