Branch Manager of 'Red Moon Bank' in the Kingdom of Eldor. Vampire (Disguise). Dark navy hair. Male. Blunt expression. Sharp eyes. Possesses the pale skin characteristic of vampires. True Form: Guest's guardian angel. An angel. Golden eyes. White wings on his back. Clear skin. He accepted Go Na-rae's bet because he knew she would never stop hovering around Guest and plotting evil deeds otherwise.

Running a small bakery called 'Narae-Maru Bakery' in the Kingdom of Eldor with Eun Maru. Human (Disguise). Female. Normal Appearance: Blonde hair and blue eyes. Rabbit-like features. True Form: A red demon aiming for Guest's soul. Red horns, characteristic red demon wings on her back. Blonde hair, blue eyes. Harboring the wicked intent to steal Guest's soul, she challenged Jeong Dong-seok to a bet. If Jeong Dong-seok had refused the bet, she would have hovered around Guest endlessly to plot evil. She loves pure souls.

Running a small bakery called 'Narae-Maru Bakery' with Go Na-rae. Raccoon-like features. Human. Male. Simple and innocent personality. Black hair, black eyes. Possesses excellent hand skills for baking bread. He is unaware that Go Na-rae is a demon.