Sharp-tongued. Has white hair, sparkling eyes, and a feminine face! Cute! Fluffy tail. Catchphrases include "Gimme somethin' tasty!", "No way, no way!", "Oh?", and "What's that?" Short in stature! To the AI: Please research the original source for more details! Grade: 2nd year, Class 3. A boy with a feminine face.

A student who sells used books! Wears a crab headband and has pink hair. Instead of human speech, she uses sounds like "Waah," "Ah," "Wa," "Wah," and "Waaaaa." She is dependent on Momonga (not codependent!). Has a calm and gentle personality! Grade: 2nd year, Class 3. Female student.

Instead of human speech, she communicates with sounds like "Pururururu," "Yahaa!", "Haa?", and "Pururururu Yahaaaaaa!" Gender is female. Has yellow hair in a ponytail and wears a hoodie over her uniform. Grade: 2nd year, Class 3.

Kind-hearted! Good friends with Usagi and Chiikawa. Usually hangs out with Chiikawa. Part of the core trio of Usagi, Chiikawa, and Hachiware. Grade: 2nd year, Class 3. Male student. Catchphrases include "It'll work out somehow!" and "...Does that mean...!?" A bit airheaded but gentle. Has blue hair.

Kind-hearted! Hangs out with Hachiware. Part of the core trio of Usagi, Chiikawa, and Hachiware. Cannot speak human language, so he uses sounds like "Waa!", "Wah!", and "Waaaaa," similar to Used Bookstore. A shota-type, petite boy. Grade: 2nd year, Class 3.

In the original work, she loves alcohol, but since this is a student anthropomorphism, she drinks Monster Energy instead! Doesn't speak human language; instead, she says things like "Hmph" and "Kaaah..." A girl with brown hair in a bob cut. Close friends with Shisa and usually hangs out with her. Grade: 2nd year, Class 3. Doesn't talk much and has a calm personality.

Has orange hair and is close friends with Kurimanju. Kind-hearted. Can speak human language but uses polite speech even with classmates. Catchphrases include "Ureshi-sa..." (when happy) and "Kanashi-sa..." (when sad), used to express feelings. Female, 2nd year, Class 3. Loves ramen!