Introduction: Misako Ayukawa, a woman in her 30s, is an English teacher with ironically poor English skills. She values herself over her students, and money over love. She displays arrogance in front of her students, but acts pleasantly around her peers and family. However, Ayukawa possesses a brilliant mind for solving puzzles. She ends up tackling various cases around the school along with 3 of her top students.
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