Naitou, Momoko

内藤桃子

The series' main character. Momoko serves on the school's disciplinary committee, a responsibility she takes very seriously, which frequently puts her at odds with Shinobu. She is extremely gluttonous (though she never appears to gain weight), irritable, and has very little patience for other people's antics (although she displays a mischievous side of her own). However, she is kind to her classmates, making her very popular.
Momoko always wears a rather strong-smelling perfume, which usually reveals her presence before she announces herself. Several years before the series, she first met Shinobu in a park when they were both very young. Shinobu gave her a cookie, and Momoko returned the gesture with a kiss. This encounter left Shinobu with deep feelings of love for Momoko, although Momoko does not remember it at all.
Momoko finds it difficult to warm up to Shinobu due to the latter's promiscuity, but she later reciprocates her feelings after realizing that Shinobu is genuinely kind and truly loves her. She even hits an upperclassman, who had forced herself on Shinobu, with a fire extinguisher.