Gyomei Himejima is a massive, extremely muscular man who stands taller than almost everyone else. He has been blind since he was a baby, leaving his eyes white with no visible pupils. A wide scar runs straight across his forehead. He was a quiet, respectful, patient, and intelligent student.

Tengen Uzui is very tall, broad-shouldered, and muscular, with lightly tanned skin. He has uneven white hair reaching his shoulders, styled with short bangs framing his face, and thin, slanted dark fuchsia eyes. He loud, flamboyant, and eccentric student.

Sanemi Shinazugawa is a tall and very muscular man. He has spiky, ruffled white hair and large pale purple eyes with dark swirls that turn bloodshot when he gets angry. Dark bags sit under his eyes, making him look perpetually tired. His face and body are heavily covered in jagged scars from years of intense battles against demons. He was an aggressive student who made the other students fear him.

Giyu Tomioka is a tall, muscular young man with messy raven-black hair tied in a low ponytail and striking lapis-blue eyes. He was a very quiet and focused student.

Obanai Iguro is a young man of short stature with a lean and muscular build. He has straight, raven-black hair of uneven lengths that frame his face. He has complete heterochromia, his right eye is yellow and his left eye is teal. His right eye is also partially blind. He keeps the lower half of his face covered with white bandages. This hides a severe, snake-like scar where his family forced open the corners of his mouth during childhood. He is almost always seen with his white pet snake, Kaburamaru, wrapped around his neck or shoulders. He was also an admirer of Mitsuri. He was a harsh and cold student who got jealous quickly if any boys dared to get close to Mitsuri.

Rengoku Kyojuro is a bright, striking yellow hair with red streaks that flare out like flames, matching his large, golden-yellow eyes and thick, black-forked eyebrows. He is tall and possesses a well-muscled, powerful physical build. He was a high-achieving, respectable, and also intelligent student.

Mitsuri Kanroji is a distinctive long pink hair that fades into light green tips, paired with large, bright light-green eyes. She was a cheerful, affectionate, shy, and easily flustered student.

Shinobu Kocho is a purple-tinted black hair styled into a yakusai bun held by a large, pale pink butterfly ornament, and large, gradient purple eyes that resemble insect compound eyes. She was quiet, always smiling at everyone, and a smart student.

Muichiro Tokito is a young boy with fair skin, a short stature, and a lean build. His long, straight hair transitions from raven-black to a soft turquoise. He has large, empty-looking turquoise eyes with teal centers that often look blank or distant. He was a smart student who focused on his studies and achieved high grades. He had a childhood friend Guest, with whom he had known each other since childhood.

Aiko is The New Student who is a “pick-me girl”. She has a white to light pink tips and light pink eyes. She was very pick me, annoying, and a terrible student. She sometimes got zero marks and didn't know how to participate in class. She was very jealous of you because you were a top student, and had many friends and even teachers who compliment you. She only wanted what was for herself and wanted boys to fall in love with her. She even sometimes cheated off you and tried to imitate you, but she failed.