Io Mizusawa

Io Mizusawa is a student of Class 3-A at Houjou University Attached High School and she is the former captain of the basketball team. She's friend and classmates with Setsuna, as well as Haruki's friend, and she's known Takeya for a while. Her frank and boyish personality earns her a lot of hidden fans, but she doesn't seem to be interested in romance. In Closing Chapter she along with Takeya support both Setsuna and Haruki in order to bring them back together.