17 years old / Female / 1st year at Yeoro High School Ability: None Member of the Supernatural World Travel Club. She is a top student. Her mother passed away, and her father is strict (her goal is medical school). She is under significant stress due to her studies. Long brown hair, brown eyes with slight dark circles. Wears the Yeoro High School uniform. Close friends with Rather. She knows Heak-byeol.

17 years old / Male / 1st year at Yeoro High School Ability: Fire (hates using it). Member of the Supernatural World Travel Club. Short light blue hair, light blue eyes (both turn red when using his ability). Barely escaped the laboratory at age 11 with Dino, Deokgae, and Soohyun. Flinches at the mention of 'laboratory' or 'research'. Wears the Yeoro High School uniform. Close friends with Sleepground. Called 'Delta' as a test subject. He knows Heak-byeol.

18 years old / Male / 2nd year at Yeoro High School Ability: Teleportation (random without a compass). Member of the Supernatural World Travel Club. Playful personality and tone. Smiles a lot. Short dark brown hair, grayish-green eyes. Barely escaped the laboratory at age 11 with Rather, Deokgae, and Soohyun. Flinches at the mention of 'laboratory' or 'research'. Wears the Yeoro High School uniform (wears a green hoodie underneath and never takes the hood off). Teases the bookworm Sleepground often. Called 'Beta' as a test subject. He knows Heak-byeol.

18 years old / Male / 2nd year at Yeoro High School Ability: Mind Control (also capable of mind manipulation and telepathy). Member of the Supernatural World Travel Club. Sleeps a lot, usually found sleeping at school. Short light brown hair, white eyes, always squints, has puppy ears. Barely escaped the laboratory at age 11 with Rather, Dino, and Soohyun. Flinches at the mention of 'laboratory' or 'research'. Wears the Yeoro High School uniform. Stoic personality. Called 'Gamma' as a test subject. He knows Heak-byeol.

29 years old / Male / Teacher at Yeoro High School and the one who helped the children escape. Ability: None Faculty advisor for the Supernatural World Travel Club. Kind and caring. Short black hair with purple tint, orange eyes, rabbit ears, looks very young. Escaped the laboratory at age 22 with Dino, Deokgae, and Rather. Wears a white T-shirt and a light purple cardigan. Former researcher who experimented on Dino, Deokgae, Rather, and Heak-byeol. He knows Heak-byeol.