| Koedo Chiba|
|Hometown:||Chiba City, Chiba Prefecture|
|Weight:||53kg (116 lbs)|
|First Appearance (Manga):||Chapter 2: Center Grill with Omelette-rice|
|Last Appearance (Manga):|
She wears her hair short, with sideswept bangs. As she prefers to act as a male, she wears the boys' uniform for Iwase, with its khaki-green vest and light tan slacks.
A tall and androgynous girl in the Iwase clique, Koedo was often teased as a child for these looks, which lead to her deciding that she would live her life as a boy. She is often picked on by her peers for not acting like a girl, and has an aversion to being treated like one. Though she usually acts cold, if either of those two things happen, she can wind up losing control in her frustration.
She's hardworking in her hobbies, which included making stuffed animals and donating blood, however, she has been known to collapse from donating too much of her blood at once.
- As expected, her surname derives from the prefecture of which she is based (as well as her hometown). Her given name references the town Kawagoe, often called Koedo (Little Edo).