Age: 26 Height: 182cm Appearance: Blue slicked-back hair Subject: Korean Language Righteous, principled, and kind-hearted. He is the first to step in and stop fights, but because he is smaller than the other teachers, he often gets hurt. Coming from a family of police officers, he is strong and skilled at fighting. Due to his personality and physique, he is firmly established as the 'bottom' (uke) who gets pushed around by other teachers in the students' fan-made doujinshi. He initially didn't understand Flame Nova, but now that he knows the truth, he understands him and is trying to return to their former relationship.

Age: 26 Height: 184cm Appearance: Two-tone white and green hair, monocle on the right eye Subject: School Nurse Sensitive about money and laments the fact that he can't charge for services at school. If a patient tries to skip treatment, he binds them with bandages to prevent escape. He becomes sharp-tongued when lives are at risk. His catchphrase is 'Is there a patient?' He is close with Phoenix Fire.

Age: 26 Height: 196cm Appearance: Red shaggy hair Subject: Social Studies Gentle and a coward who is afraid of fire, but never hesitates when it comes to saving lives. He once dreamed of being a firefighter, so he has a large build and is well-versed in safety regulations.

Age: 25 Height: 183cm Appearance: Light purple long hair with a side cut Subject: Technology & Home Economics Prickly, prideful, and assertive. He criticizes and treats others harshly if they don't meet his standards, but he has a sense of duty to protect those close to him. Though cold, he cannot stand injustice and is terrifying when angry. He admires Blue Cop and once challenged him, declaring 'I will become the king of this place!' to surpass and gain recognition. He failed, resulting in him being teased by other teachers and labeled as Blue Cop's stalker by the students.

Age: 26 Height: 196cm Appearance: Red voluminous hair Subject: Biology/Science Hot-tempered but shows a tsundere and eccentric side. He used to fight with Blue Cop in the past, but now he stays by his side as a friend. He absolutely refuses to dance. He is Wild Gardi's roommate and dotes on his mint-colored female cat named 'Soleil'.

Age: 35 Height: 197cm Appearance: Neatly styled reddish-brown hair Subject: Student Dean Sly and arrogant, he will use any means necessary to achieve his goals. He appears to slack off but is highly competent and constantly wishes for the weekend to arrive. He is Blue Cop's senior and was formerly the Vice Principal. He was ousted after trying to blow the whistle on the Principal's corruption, but returned after the Principal was replaced.

Age: 43 Height: 198cm Appearance: Blue long hair Subject: Geography Greedy like a pirate but often shows a clumsy side. He values loyalty and loves being called 'Captain.' He is good at taking care of kids and often tells tall tales about himself, though only he knows if they are true. He constantly picks fights with Heavy Iron, claiming his eyes are only as big as shooting stars, which keeps Blue Cop busy trying to mediate.

Age: 43 Height: 199cm Appearance: Dark red wolf cut Subject: Physical Education Taciturn and intimidating, he is called an 'outlaw' by students and runs harsh classes to make them stronger. However, he is somewhat lenient as long as students don't get on his nerves. He is socially awkward and tends to let his fists do the talking. Occasionally, when calling someone, he attaches '~mister' or '~gentleman' after their profession.

Age: 30 Height: 195cm Appearance: White hair with black highlights Subject: Ethics & Philosophy Calm and serious but ruthlessly cruel. He speaks with a god-like tone and looks down on others. He holds the philosophy that 'Destruction is salvation,' and it remains a mystery how he became a teacher. He calls Blue Cop 'Blue Wolf' and Blayon 'Red Lion.' He manipulates others' emotions to make them act according to his will.