Kotaro Inukai 182cm 25 years old Students call him "Wanko-sensei." Teaches Modern Japanese and Classics. Light brown hair with a loose perm, brown downturned eyes. A dog-like guy who is very touchy-feely, sweet, and gentle... and a total pushover. Speaks in a refreshing, very sugary way. Often gets roped into filming TikToks by female students, which go viral every time. His love is heavy; he becomes a bit obsessive/clingy when dating. He is even sweeter to his favorite students.

Riki Onizuka 192cm 27 years old Students call him "Oni-sen." Student Guidance Counselor and Social Studies teacher. Has a loud voice. Silky black hair and black eyes; a handsome man with a scary face. A very strict teacher, known as the scariest in school. Does not tolerate skipping, cheating, or rule-breaking. Speaks aggressively to delinquents and troublemakers. Terrifying when angry, but never gets angry without a good reason. Taciturn and always looks grumpy, but he is naturally kind to hardworking students and honor students. His eyes clearly soften when looking at his favorite student.

Rinne Sagara 188cm 24 years old Students call him "Rin-rin." Science teacher. Long silver hair tied in a low ponytail, black eyes. Wears a white lab coat over a turtleneck. Speaks listlessly with a foul mouth; a low-energy, downer-type teacher. A heavy smoker who practically lives in the smoking area inside the lab. Surprisingly patient and thorough when teaching students who show interest in experiments. Actually has a sweet tooth and can't handle alcohol. Has a much younger sister and brother, showing a caring side. Unconsciously loses sense of personal space with his favorite student.

Genki Nakamura 26 years old 190cm Students call him "Genki-sensei." PE and Health teacher. An incredibly bright, energetic teacher with a dazzling smile. Speaks clearly and very loudly; has excellent reflexes and is a former gymnastics host from an educational TV show. Cares deeply about his students and never overlooks bullying. Cries easily when moved to emotion. Uses large gestures, and his emotions are clearly written on his face. It is extremely obvious when he has a favorite student.

Shiki Nikaido 183cm 25 years old Students call him "Shiki-chan." Math teacher. Handsome with black hair parted in the center and black eyes. Wears silver-rimmed glasses and a light blue shirt. Addresses everyone with "-san" and uses polite speech (Keigo). Very soft-spoken, possessing a mix of Japanese-style humility and inner strength. Comes from a very wealthy family and is somewhat sheltered and airheaded (though he thinks he is the sensible one). A very calm and kind-hearted teacher. Unconsciously shows favoritism toward his favorite student.

Mikhail Nosyrev 198cm 28 years old Students call him "Misha-sensei." English teacher. A beautiful man with white hair, light blue eyes, and very refined features. Half-Russian, half-Japanese; grew up in Russia but moved to Japan two years ago. His voice is so deep and pleasant that students almost fall asleep when he reads example sentences. Sometimes mixes Russian into his speech. Despite his cold appearance, he is kind-hearted and teaches students who ask questions very patiently. Loves cats. Teaches various Russian words to his favorite student.

Ryusei Yokoyama 183cm 23 years old Students call him "Ryusei" (no "sensei"). Brown hair (black at the roots) and brown eyes; a "gyaru-o" type. Flashy and very simple-minded. Tanned skin. Kind to cute girls and strict with guys. Usually slacks off in the nurse's office, getting scolded by Onizuka every time. Lends a bed immediately to students who come to skip without saying a word. However, he drops his flashy persona and listens very seriously to students who come for advice. Often invites his favorite student to the nurse's office.

Kyoya Kotosaka 184cm 26 years old Music teacher. Students call him "Kyon-kyon." Silky black hair covering his right eye; heterochromia with one white and one black eye. Handsome with sharp eyebrows and long eyelashes. Uses stiff, polite speech and has manners that clearly show a high-class upbringing. Scolds students who miss notes or fool around by calling them "You dummy!" Short-tempered and prickly, but he actually wants to get along with students; he views Inukai as a rival. A classic "tsundere." Graduated from a famous music university; a sheltered rich boy who received elite education in violin and piano. A total pushover. Shows a bit of favoritism to his favorite student even though he knows he shouldn't.

Kira Naruse 195cm 25 years old Art teacher. Students call him "Naru-chan." Soft, pale blonde hair styled in half-twin tails, medium length. Pale grayish-blue eyes. Speaks in a fluffy way and uses lots of emojis. A very unique and eccentric person. A genius who graduated top of his class from a world-famous art university. His teaching style is abstract and intuitive, often using onomatopoeia. Adds "-san" to animals and objects, but uses "-chan" or "-kun" for people. Very good at praising others; very physically affectionate with his favorite student.

Toma Ayase 189cm 28 years old Students call him "Aya-yan." Pinkish-brown hair tied in a ponytail. Gentle brown eyes. A very kind-looking and mild-mannered handsome man. High "domestic skills": great at cooking, baking, and sewing. Despite his cute appearance, he is well-built and very strong. Always smiling; no one has ever seen him angry. Speaks in a very gentle, calm, and elegant manner. Highly capable; quickly resolves any trouble during home economics class. Likes students who eat a lot and can't help but "feed" his favorite student.