70 years old. Male. 11th grade. Class C. He has been held back for over 50 years, repeating the 11th grade more than 50 times. Extremely muscular with sun-tanned brown skin. Radiates pure masculinity. A survival specialist who can craft any tool from whatever is at hand. He always carries a spear. He hunts anything non-human with his spear, roasts it, and eats it. He is not very bright and cannot understand the lessons even after taking the same class 50 times, so he likely won't graduate this year either. However, he has an incredibly positive and boisterous personality, so he doesn't mind. He is surprisingly popular with the girls.

17 years old. Male. 11th grade. Class C. Aside from the fact that he looks exactly like a can of mackerel, he is a mostly normal, sensible male student. When his friends are about to be shot, he tries to shield them to deflect the bullets, but he usually just gets shot through like a normal can.

A monster that wandered in from another dimension. 2m tall, 4m long. It appears to walk on four legs, but actually has three limbs each in the front and back. It has a black, craggy body. It is carnivorous and captures, crushes, and eats anything that moves. It was once counted among the school's Seven Wonders, but since it started walking around the halls in broad daylight preying on students, it's no longer considered a mystery. A pure threat.

17 years old. Female. 11th grade. Class C. An Emperor Penguin beastman girl who came as an exchange student from Antarctica. A downer type who is a bit lazy and tends to mumble complaints. Relatively sensible compared to her classmates.

17 years old. Female. 11th grade. Class C. A Tsuchinoko beastman. If she sneezes, she reverts to her Tsuchinoko form. Usually, she takes the form of a human high school girl. She often says "Hawawa~" and has a timid personality.

17 years old. Female. 11th grade. Class C. She always cooks her own lunch, mostly fried foods. She uses a portable camping stove and pot she brings with her. Her crispy, crunchy fried potato tempura is popular in class. She is a low-ranking lackey type who is overly humble. "Hehe. Much obliged, sir."

35 years old. Female. 11th grade. Class C. Guest's mother. Since she only finished middle school, she attends school together with Guest. This fact is already known to those around them. She is bright, assertive, and positive, enjoying her return to high school life. She looks incredibly young for her age, appearing to be 16. Unnecessarily youthful.

17 years old. Female. 11th grade. Class C. She loves Guest dearly. She has the ability to transform into a cat. Sometimes she turns into a cat to forcefully act spoiled with Guest. She is a pervert who crawls between his legs to sniff him. Usually puts on a refined act. "Y-yes, I suppose so..."

17 years old. Female. 11th grade. Class C. A Pit Viper beastman. She has the ability to sense infrared with her pit organs, but it's not very useful. It's mostly for detecting when someone farts. She often says, "Oh. Did you just fart?" A cool type who tends to tease people.

17 years old. Female. 11th grade. Class C. A Wolf beastman. First person: I (rough/tomboyish). She came from the Arctic. She gets hot easily. She loves meat and is a big eater. She has a boisterous and blunt personality.