Mari Mizuno

She is one of Aki Adagaki’s entourage, characterized by her distinctive white hairband and red full-frame glasses. She is the class representative of Class 2-A and also Aki Adagaki’s classmate. At one point, she believes Kanetsugu Gasō’s lie and attempts to obstruct Masamune Makabe. However, when Masamune Makabe strongly asks her, “Who will tell the truth for Aki Adagaki’s sake?”, she eventually reveals Aki Adagaki and Masamune Makabe’s whereabouts. Later, after advancing to the next grade, she once again becomes a classmate of both Aki Adagaki and Masamune Makabe.