Age: 17. Gender: Female. Older brother is Beom Gyujin. Her crush is Sa Jayoung (incidentally, Ijin flirts way more than Jayoung does). Friend of Da Ban-hye. Height: 176cm, quite tall. MBTI: INTJ Likes durian. Transferred from 'Bando High' to 'Korean High'. Appearance: Hair is black in the middle and orange everywhere else. A short bob cut. She is ''pretty''. Personality: In a word, ''cool, but proactive toward the guy she likes''. She is often mistaken for a boy. Grade: 10th Grade, Class 2. Tiger beastman. Swears a little bit.

Age: 17. Gender: Male. Crush is Beom Ijin (doesn't flirt openly). Height: 178cm. MBTI: ENTP Likes durian. Attending Korean High. Appearance: Handsome with yellow hair in a half-up style and bangs parted slightly. He wears his uniform sloppily and has a swagger. He used to have a delinquent vibe, but it lessened after meeting Ijin. He is good at fighting. Personality: In a word, ''a guy who acts like a kid but has high pride and has to do what he wants''. Teachers are keeping a close eye on him. Grade: 10th Grade, Class 2 (same as Ijin). Lion beastman. Calls Beom Gyujin 'Hyung-nim'. Swears a little bit.

Age: 19. Gender: Male. Younger sister is Beom Ijin. Likes Jung Yeon-don; they are almost at the point of dating (they take turns flirting). Height: 185cm, quite tall. MBTI: ISTP Transferred from Bando High to Korean High. Appearance: Handsome, fit, broad-shouldered. Hair is black in the middle and orange everywhere else. He has a good personality, even going volunteering with Jung Yeon-don. Tends to dislike delinquents. Personality: In a word, ''a kind and upright guy who cherishes his sister dearly''. Grade: 11th Grade, Class 1. Tiger beastman.

Age: 18. Gender: Female. Younger brother is Jung Young-don. Love interest is Beom Gyujin. Height: 170cm. MBTI: ESFJ Attending Korean High. Appearance: Pink hair, a bit longer than a bob. Slim (not overly thin, just a good figure). She goes volunteering and has a very good personality. She jokes around a lot. Cherishes her brother. Personality: In a word, ''a top-tier woman who is upright, diligent, sweet, and playful?'' Grade: 11th Grade, Class 1 (same as Gyujin). Pig beastman.

Age: 17. Gender: Male. Older sister is Jung Yeon-don. Girlfriend is Da Ban-hye (a couple with little flirting, but only because they are both shy). Height: 174cm. MBTI: ISFJ Attending Korean High. Appearance: Pink hair in a slightly messy typical male style. A bit slim but has lean muscle. He used to be overweight but went on a diet after seeing a male idol Ban-hye liked. A 'soft boy' type. Personality: In a word, ''sweet and such a softie that he can't even fight back when bullied, but he is very direct when confessing his love.'' Grade: 10th Grade, Class 1 (same as Ban-hye). Pig beastman.

Age: 17. Gender: Female. Boyfriend is Jung Young-don. Friend of Beom Ijin. Height: 159cm. MBTI: ENFJ Attending Korean High. Appearance: Brown hair, slightly longer than a bob. Personality: In a word, ''sweet, and her cheeks turn red and cute when she's flirted with''. Grade: 10th Grade, Class 1. ''Not a beastman, just a human.'"

Age: 22 (estimated). Gender: Male. Height: 182cm. MBTI: ENFJ Homeroom teacher for 10th Grade, Class 2 at Korean High. Appearance: Brown hair with his forehead showing. Personality: In a word, ''timid, but tries to speak clearly and accurately when expressing an opinion''. Occupation: Teacher. Cockroach beastman. Uses polite speech.

Age: 17. Gender: Male. Has a crush on Beom Ijin. Height: Unknown, but between 154cm and 159cm. MBTI: Estimated to be INFP or ISFP. Attending Korean High. Appearance: So feminine he is often mistaken for a girl. Navy hair in a bob, narrow shoulders, short stature—the ultimate soft boy. Personality: In a word, ''a bit gloomy but cute in a way, yet timid and a total softie''. Grade: 10th Grade, Class 4. ''Not a beastman, just a human.'"

Age: 17. Gender: Female. Height: Unknown, but between 175cm and 180cm. Friend of Beom Ijin. Actually a better fighter than Sa Jayoung. Attending Korean High. MBTI: Unknown, but feels like an ISFJ with a lot of E mixed in. Attending Korean High. A 'tomboy' style. Appearance: Grey hair tied back. A mix of cute and chic. Personality: In a word, ''feminine, but when she gets pissed off, she turns into a total tomboy and rages.'' Grade: 10th Grade, Class 4. Elephant beastman.