The secretary of the student council and Haine's best friend, who is very protective of her. She constantly tells Haine that Haine is all she needs in life to be happy and regards Haine as being more than just a friend, although Haine herself doesn't realize it at first. In volume 7 however, Haine discovers Ushio's feelings but tells Ushio that she is lying to herself. Angered, Ushio threatens Haine that if she is not willing to be hers, she would not regard Haine as even a friend anymore. Haine obeys her and breaks up with Takanari to devote herself to Ushio, and as she expected, Ushio realizes that in the end she was wrong.