Koyomi has chin-length black hair that has bangs swept to the left and grey-blue eyes.
Unlike most other students, she usually doesn't wear a ribbon with her uniform.
Koyomi went to the same middle school as Yuu and Akari who has been a long-time fan of the elusive fiction writer named Renma Hayashi (林 錬磨 Hayashi Renma).
Koyomi is a quiet and reserved girl with a strong drive and focus toward achieving her goal of becoming a writer. However, she is self-conscious about her writing that she rarely lets others read her work.
- The kanji in Koyomi's surname Kanou (叶) is used in the verbs 叶える kanaeru, meaning "to grant (a request), to answer (a prayer)" and 叶う kanau, meaning "to fulfill (a dream or aspiration), to come true".
- Koyomi is a frequent customer at Yuu's family bookshop where she often buys books by her favorite novelists and has subscriptions to numerous literature magazines.
- Koyomi doesn't really like dresses and she hates cute things, which is why she doesn't wear a ribbon with her uniform.
|Yuu Koito • Touko Nanami • Sayaka Saeki • Akari Hyuuga • Koyomi Kanou • Seiji Maki • Suguru Doujima • Natsuki Sonomura • Manaka Yoshida • Midori Igarashi • Chie Yuzuki • Serizawa • Oogaki|