In her second year as a teacher, Azusa is a kind-hearted educator who genuinely wishes for her students' growth, earning trust from both students and parents. One day, she learns that a male faculty member in charge of student guidance has been blackmailing a female student from his homeroom class into performing sexual acts. Faced with this shocking revelation, Azusa struggles to determine the right course of action, ultimately confronting a severe test of her principles and sense of responsibility.