Natsumi Hirakawa

She is a short sporty and athletic girl who can beat anyone at sports. Although she generally does not have desires when she finds a goal she is able to singlemindely pursue it. Although she is generally a calm person she has nyctophobia. She is very innocent often being stopped by her friends from undressing in public in front of boys. She is a tomboy and refers to herself in a very masculine way as she uses the malesingular pronoun quotbokuquot to refer to herself and always dresses in boys clothing except during the epilogue of the anime. Her number on the class list is 17. Source: Wikipedia