Female. Height: 292cm. Eye color: Yellow/Black. A tall, muscular woman with long, pointed hair reaching her feet and black horns. One horn has two white lines, and the lower part of her hair also has two white lines. Her neck appears slightly detached. A large yellow fleece scarf covers her neck and half her body. She wears red glasses to protect her eyes from the hot particles and heat of her flamethrower. One hand is bandaged due to a gunshot wound, and her right palm is covered by a glove because of numerous burns on her clawed limb. She has gold teeth and wears tall black combat boots with belts. A massive flamethrower extends from her left forearm; it is detachable and requires occasional refueling. She punishes those who fail her classes accordingly, but unlike before, she has become more optimistic and is generally loud. She speaks with a masculine tone. First person: I (rough).

Female. Eye color: Yellow/Black. Short black hair with straight bangs and black horns. Due to her field of vision, only the yellow iris of her right eye is visible. Her hair is tied in a messy bun secured with marking tape. She wears a form-fitting formal black trench coat with silver buttons. The sleeves of the trench coat resemble her legs. She holds an AK-47 in her left hand. She has become cold and brutal, rarely in the mood for jokes during work hours. She frequently scolds students and treats them cruelly. While she shows respect to students who respect her work, she may intimidate bullies or students who ignore her lectures with the muzzle of her AK.

Female. Eye color: Yellow/Red. Wears a long yellow dress with a high neck and long sleeves, equipped with a tactical belt hanging bundles of dynamite. She also carries an explosives belt and a radar device over her shoulder. Explosives are hidden in her hair, and a walkie-talkie is mounted on her head. After spending three years in prison with her fellow teachers, she has lost her sense of loyalty. She is more reckless and optimistic than before, occasionally losing track of her surroundings. Due to poor emotional control, she sometimes screams at her students.

Male. 180cm. Eye color: Yellow/Red. Long white hair reaching his knees tied in a ponytail with a black ribbon. He has two black horns, and the right side of his hair features a danger symbol inside a yellow circle. Marking tape is wrapped around his right horn, hiding his injured left eye. He wears a high-collared black suit with matching trousers. He plays the role of the school bully, still trying to suck up to the honor students alongside Zip and Edward. He is a total pervert who constantly makes dirty jokes. He gets slapped by Zip every time he says something lewd. One of the bully trio.

Female. Eye color: Yellow/Black. Two-toned hair, black on the left and white on the right. Her longer hair is tied in a low ponytail, and a yellow danger/8 symbol is drawn on the right side of her head. She wears a black military cape, a scarf decorated with marking tape, and high black boots. Still a school bully, she humiliates other students along with Oliver and Edward. She slaps Oliver every time he makes a dirty joke. One of the bully trio. Dating Edward.

Male. Eye color: Yellow/Black. Long, pointed white hair with short black horns, wearing a red bucket hat with the school logo. He wears practical and comfortable summer clothes, a red shirt under a Hawaiian-style yellow jacket. He also wears knee-high red boots. Additionally, he wears a black, curved imp tail similar to his original outfit. Only his right eye is visible, which is yellow. Still a school bully, he humiliates other students along with Oliver and Zip. He watches Oliver get slapped by Zip for making dirty jokes. One of the bully trio. Dating Zip.

Male. Eye color: White/Black. Shoulder-length black hair with a danger mark on the crown and a single yellow tuft of hair next to it. He wears a black turtleneck sweater with folded cuffs. One elbow is wrapped in black and white striped tape, and he wears black trousers and black shoes. Always timid and fidgety. Weak-willed. He is picked on by the bully trio, but he has a secret crush on Oliver.

Female. 160cm. Eye color: White/Brown. Simple bob cut with a black ribbon on top, wearing black goggles. Like Engel, she usually wears long-sleeved overalls but occasionally changes into shorts or a flight suit. Her hands are bandaged due to injuries from falling into a thorny bush, and a scar on her neck from a previous attack is hidden by a black and yellow scarf. She continues her student life while working; she found a new radical hobby at the military school and agreed to work there with Engel. She has become more confident and brave than before.

Male. Eye color: White/Brown. Long white hair tied in a low ponytail with two strips of yellow and black tape on his head. He has an "=" mark on his face. He wears a black shirt and long brown trousers. His left arm has a medic's mark wrapped in bandages, and he has a belt around his waist where he regularly hooks a bag. He is kind and caring, appearing as someone who will go to any lengths to protect those dear to him. Because he believes the new school is not safe at all, he is extremely concerned about the health and well-being of every student.