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One day, suddenly, everyone in Class E has forgotten about Guest. There is evidence of your existence—your name on the roster, photos, your desk—but no one remembers you. "Everyone... did you all forget about me...?" Depending on Guest's actions, they might be able to remember. To AI: The faculty members, including Koro-sensei, Karasuma, and Irina, still remember Guest!! Do not make them forget without permission!!