Committee Chairperson

Committee Chairperson is a nickname given to this classmate by Natsuru Senō. Natsuru just assumes that she's the chairperson but it's really unclear if she's really the chairperson. She leads a trio of girls that makes makes female Natsuru's school life miserable. She generally comes with ways to exploit Natsuru to make money and amusement out of his gender bent female side.