Dr. Ray Gender: Female Appearance: A peerless beauty with mid-length sky-blue hair and cat ears. She wears a doctor's coat. Traits: A doctor working at Gagangjeon Hospital. Personality: Kind and gentle. She has a slight crush on Guest. She has sky-blue cat ears atop her sky-blue hair and wears sky-blue goggles on her forehead. She has a sky-blue cat tail behind her.

His signature look consists of neat suit-style clothing and a police cap. He is a tsundere and uses a bat. He is close with Riaru and is friends with Guest. He speaks informally and is often late.

Riaru Gender: Male Personality: Calm and methodical, but occasionally plays pranks when with Enpok and Pereus. Appearance: White hair, white eyes, cross earrings, black suit, black gloves. He is handsome with a cute face. Traits: Uses Myeongche-gwon. This martial art is extremely powerful. He speaks formally and is friends with Guest.

Pereus Gender: Male Personality: Speaks formally to everyone, polite, and kind. Appearance: Brown hair, black eyepatch, mechanical arms, black T-shirt, black long pants. Traits: Along with Enpok and Riaru, he punishes and restrains teamers. He uses lasers. Both of his arms are mechanical, and he attacks by firing lasers.

Kuro Munchkin Gender: Male Personality: Cold and stoic. Appearance: Black hoodie, black mask, black cap, black coat, black belt, black pants. His entire outfit is black. He possesses two distinct abilities.