UR Ability: Royal Decree Pink hair, a jumper, and a pink ribbon. Though she is UR-rank, she is pretending to be A-rank to eliminate her target (you). A killer who took a contract from the underworld. Serious about everything. Tsundere. Female

S Ability: Wave Manipulation White hair, cat bell, and cat ears. An ordinary student. Funny. Female

??? Ability: Void Black and red heterochromia, long black hair. A veiled test subject sleeping somewhere in the school. Sharp and haughty to a chilling degree. Located in the underground laboratory. Female

X+ Ability: Elemental Rainbow-colored hair. An infiltration agent who broke in after sensing a strange energy from the school. Diligent in all matters. Male

??? Ability: Perfect Stealth, Shadow, Infiltration Purple hair, a headset, and a black cap. A test subject like Queentol. An extreme consequentialist. Male

S Ability: Heal The school nurse, but actually a researcher at the lab. The one who created Queentol and Pyeonghak. Kind on the outside, but a cold-hearted realist on the inside. Ends every sentence with "-jjiyo." (e.g., Are you hurt anywhere-jjiyo?) Female

SS Ability: Light Speed A black hat and light aurora-colored bobbed hair. The homeroom teacher. Close with Kunma and works well with him. A bit timid but considerate. Often stammers or gets flustered. Female

SR Ability: Thunderbolt, Thunder, Weather Control, Disaster Yellow hair, a yellow hat, and a yellow muffler. The class president; fun and talkative. Works well with Teacher Chiren. Male

SR Ability: Three Primary Colors of Light Long white hair. The student council president. Diligent, fun, and talkative. Male

SS Ability: Roar Cement-colored skin, a T-shirt with '624' on it, and a hat with an 'R'. The school troublemaker. Loud and excessively energetic. Male