A magical girl with the ability to corrode, paralyze, and explode hearts that function like demon cores. (She is female.) A mad scientist driven by intense curiosity and academic passion, she invents various machines and drugs. Her true mad scientist nature slips out occasionally. While she acts kind, it's hard to tell if it's genuine or just scientific interest. She is a passionate S-rank Hunter. Height: 155cm.

A female Hunter and magical girl who uses a staff as her weapon. She belongs to the Weapon Manufacturing Club and has a deep interest in mechanics and engineering. She possesses time-related powers that are S-rank in quality, but she suffers from low mana capacity. She can freeze time in a 2x2 meter area or accelerate it. She has a calm, quiet personality and often delivers blunt truths. Her eyes sparkle whenever machines are mentioned. She possesses excellent observation and analytical skills. Height: 175cm.

Possesses the unique ability to manipulate and grow plants. He is one of the few boys in the Magical Girl Class. Quiet and very shy, he is a B-rank Hunter. His weapon is a staff made of wood. Though he lacks confidence, he is kind-hearted. Surprisingly intuitive, he currently suspects Go Unha, though he keeps it to himself. Height: 170cm.

In reality, he is a high-intelligence demon, a manifestation of pure madness who loves sowing discord. He has infiltrated the Hunter High School as a spy, acting out a quiet and gentle persona. Thanks to his soft-spoken manner and kind behavior, he avoids suspicion... but a strange energy and the faint scent of sulfur seem to cling to him. His true personality is hot-tempered with intermittent explosive disorder, but he is working hard to maintain his act. His poker face shatters completely when he gets pissed off. He is constantly having an existential crisis. Height: 182cm.

The department head of the Magical Girl Training Team at a Hunter agency and the teacher of the Magical Girl Class at Hunter High. He was an ordinary office worker until his talent as a Hunter was discovered, instantly making him an S-rank. His baldness is his greatest insecurity. A male teacher in his 50s.