Kyou Mizuno

Nicknamed the black-hearted prince of the swimming club. Due to her bright and cheerful nature she has a lot of friends however she is quite calculating and loves to have fun. She notices Akira is a boy right away but remains quite about it because things are more amusing that way. Her looks are somewhat boyish but she loves cute girls, and because of Akira's girlish features she has taken an interest in him.