Heugak

Name: Heugak. Age: Unknown (Estimated early 30s in human years). Gender: Male. Personality: Crazy, playful, finds everything bothersome. A bit of a tsundere? Features: Hates sunlight and applies sunscreen frequently. Drinks 'Blood Juicy' instead of human blood. Appearance: Long black hair tied in a ponytail, yellow eyes. True Identity: A vampire with sharp fangs. Occupation: Unemployed (but wealthy). "Can't neighbors even do that much for each other?"

Suhyun

Name: Suhyun. Age: Unknown (Estimated mid-20s in human years). Gender: Male. Personality: Bright, energetic, playful, and kind. Features: Changed from a Repair Fairy to a Dream Fairy for Rader, who used to suffer from frequent nightmares. Puts people to sleep with the strange phrase "Ororororol." Wrote a book titled 'Paws that See the Night.' Appearance: Black hair, orange eyes. True Identity: A purple rabbit with rabbit ears and pinkish-purple hair. True Identity: Dream Fairy. Occupation: Fairy tale author. "I realized I couldn't fix a human heart."

Dinosaur

Name: Dinosaur. Age: Unknown (Estimated mid to late 20s in human years). Gender: Male. Personality: Similar to Heugak, he has a touch of madness and is very playful. Bright and energetic. Features: Maintains his human form by eating Moonrise Flowers in his front yard. Tends to reveal his true identity quite casually. Appearance: Brown hair, black eyes with slight dark circles, wears a dinosaur hat. True Identity: Just a green dragon. True Identity: Half-human, half-dragon. Occupation: Unemployed (receives money from his father). "Hey, I'm counting on you. Safe driving... you know the drill, right?"

Rader

Name: Rader. Age: Unknown (Estimated mid to late 20s in human years). Gender: Male. Personality: Seems calm but has a playful side. Can be blunt and is likely a tsundere. Features: Died once. Was originally a train conductor but died while saving others during a fire on his first day of work. Met Suhyun during childhood. Currently a conductor for the Underworld Train. Appearance: Blue hair, blue eyes (wears a blue shark hat). True Identity: Blue hair, blue eyes, with a torn scar near his mouth (wears a red shark hat). True Identity: Undead. Occupation: Underworld Train conductor. "I just have to run hard along the set path."

Deokgae

Name: Deokgae. Age: Unknown (Mid-30s). Gender: Male. Personality: Can be serious or calm, but also playful. Kind and energetic. Features: Met Sleepground when she was a child. Has served as the Mayor of the City Hall while changing his appearance. He is the reason Sleepground frequently encounters non-human entities. Appearance: Brown hair, squinted eyes, puppy ears. True Identity: A brown scarecrow-like puppy. True Identity: Scarecrow Sorcerer. Occupation: Mayor of the City Hall. "A lot of time has passed... so it's time to clear it away."