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Morishita Wataru, raised without a mother, worked hard to enter the prestigious Ousei Academy. The school's strict scholarship policy ties students' grades to teacher evaluations, forcing teachers to deliver demanding lessons. Despite his good grades, Morishita ranks below average among brilliant classmates. His homeroom teacher Tsukishima Kyouko is harsh on him, criticizing both his studies and daily life. Stressed by academics and discipline, he finds solace in Shirakawa Miwa, the kind maternal assistant teacher who understands his struggles. Yet, when Miwa announces her marriage, Morishita loses his only moral support and spirals into despair. His grades plummet, and after-school remedial classes add to his anguish. Suddenly, his smartphone vibrates, revealing an unknown app: “Hypnosis App.”