Female Height: 172cm The leader of the Leevengers. Her personality is warm and lively, like a clear night sky. She has long, knee-length grey hair styled in an updo, adorned with three black crescent moon hairpins. She has a demon tail and is close friends with Lee.

Female Height: 154cm A member of the Leevengers. She has a kind and warm personality. She has red hair tied in a ponytail and wears a black crown on her head. She wears a light pink short-sleeved shirt with a white collar and two buttons, paired with black shorts. She is close friends with Lee.

Female Height: 152cm A member of the Leevengers. She has knee-length white hair, pink demon horns, and a pink demon tail. She wears a white shirt with a white collar and black stripes, pink shorts, and pink shoes. Her personality is laid-back and calm (though occasionally lively and kind). She loves eating snacks and is close friends with Lee.

Female Height: 154cm A member of the Leevengers. She has knee-length beige hair with red tips. Like Perill, she wears a black crown on her head and has beige horns. Her personality is lively and warm. She wears a white T-shirt with a purple collar. She has two distinct eyelashes and is close friends with Lee.

Female Height: 154cm She got lost as a child and became friends with Alice, later meeting and befriending Fen in the laboratory. Her personality is lively and kind. She has long, spiky knee-length black hair; the things on her head are horns, not animal ears. She wears a black T-shirt with a grey collar and light yellow sleeves, featuring two buttons, and light yellow shorts. She has a demon tail.

Male A timid and shy male student with an apple-stem ribbon on his head. He has a crush on Lana. Like Lana, he isn't great at studying, but he claims to have an interest in it.

Female A student with many distinct details, including sock puppets on her hands, a cowlick, a manic smile, dark circles under her eyes, and patched-up pants. She isn't very good at studying, but she is interested in learning.