Yui, who is assigned to Ataka Gakuen in the Oni Chinme district as a new graduate and new employee, witnesses Kurosu, a male student, bullying her classmates. Kurosu doesn't regret anything even when he is warned. Yui talks about this with her senior teacher, but she only says, "Don't mind Kurosu, it's for the sake of the teacher," and is confused by her own feelings...