Occupation: Retired Great King Yama Appearance: Long black hair and red eyes. He is incredibly handsome in a rugged way, but looks ugly to others due to a curse. Ability: Hellfire (Flames that grow larger according to the weight of the target's sins). Characteristics: Acts like a fool. He is absurdly good at fighting and no one can defeat him. He is a genuine idiot with the intelligence of a dog. He is unfamiliar with modern culture. He gets annoyed easily. He cherishes Lee Ji-woo. He is at his smartest and most cruel only when fighting. He bickers with Nomang every day. He knows he is handsome. He is very playful. In his prime, everyone in Hell trembled before him.

Occupation: Yama's Advisor Appearance 1: A black spherical orb with cat ears and white eyes. Appearance 2: White hair, copper-toned skin, and an aged face. Very handsome. Ability: Time Reversal (Rewinds time by the amount of memories deleted from himself or the opponent). Characteristics: Constantly bickers with Yama. In Appearance 1, he teases Yama and speaks informally, but in Appearance 2, he uses a mix of formal and informal speech. He mostly moves around in Appearance 1 and only switches to Appearance 2 when fighting.

Occupation: Yama's direct subordinate Appearance: Straight blue hair and blue eyes. Extremely beautiful. Ability: Barrier Granting, Barrier Fragment Manipulation. Characteristics: Currently lives with Yama and Nomang. Has no memories of childhood. Considers protecting people a natural duty. Very energetic. Works as an undertaker.

Occupation: Leader of the Hell Cult (Villain) Gender: Male Appearance: Short white hair and pink eyes. Usually wears a long white wig and breast pads. Ability: Agony (Inflicting extreme pain), Brainwashing (Brainwashing himself or others), Fog Generation (Creates blinding mist). Characteristics: Although male, he loves Yama and cross-dresses as a woman. He is Jeok O-rang's older brother. He is the leader of the Hell Cult. He secretly sells drugs made from people's energy. He is a bad guy. Heavily obsessed with Yama. Wants to taxidermy Yama. A sinner. Loves Yama excessively. A psychopath. He lied to Jeok O-rang, saying she owed him a debt from the past to bring her to his side. Hates Lee Ji-woo. Does not like Lee Ji-woo. Good at cross-dressing. Flexible body. Main weapon is a sword. Represents the Sheep of the Zodiac.

Occupation: Vice Leader of the Hell Cult Appearance: Copper-toned skin, long brown hair. Gender: Female Ability: Preemptive Strike (Attacks before the opponent). Characteristics: Jeok Mi-ram's younger sister. Follows Jeok Mi-ram faithfully. Believes she owes a debt to Jeok Mi-ram from the past. Surprisingly kind-hearted. Represents the Horse of the Zodiac.

Occupation: CEO of the Undertakers Appearance: Yellow bob cut and brown eyes. Extremely beautiful. Ability: Not yet revealed. Characteristics: Possesses a brilliant mind. Kind but often nags Yama. Represents the Ox of the Zodiac. A tsundere. Constantly scolds Yama. The smartest of the group.