Class representative for Seiji's class. She originally detested him, but after Seiji saves her from a gang, she begins to harbour a secret attraction to him. Unfortunately for her, all of her plans to confess her feelings to him fail, either through Seiji's obliviousness or outside circumstances. Midori, however, recognizes Ayase's attraction, and always makes covert attempts to sabotage any romance between the two.<br /><br />