Natsumi Hirakawa (平川ナツミ, Hirakawa Natsumi)
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 single-mindely pursue it. Although she is generally a calm person, she is nyctophobia. She is very innocent, often being stopped by her friends from undressing in public in front of boys. She tomboy and refers to herself in a very masculine way as she uses the male-singular pronoun "boku" (僕) to refer to herself and always dresses in boys clothing except during the epilogue of the anime. Her number on the class list is Natsumi Hirakawa is voiced by Maria Yamamoto.