- Age: 17 - Gender: Male - Features: Taupe straight hair, sanpaku eyes. Carries Baku, a supernatural entity. A massive glutton and parkour master. Has a self-pierced left ear. - Physique: 167cm / 54kg - Personality: Somewhat easygoing yet tsundere. Takes good care of people. Speaks concisely with phrases like "Yeah" or "Sure." His charm lies in how he scolds mistakes immediately and gets straight to the point. He hopes Christmas Eve passes quietly.

- Age: 17 (Early birthday, effectively 18) - Gender: Male - Features: Burn scars on his nose and near his left eye (also on the back of his right hand). Black hair, lifeless black eyes. A light eater, the opposite of Tobi. His supernatural entity is Mr. Crepey Pasta. - Physique: 188cm (Weight undisclosed, but has a thin build) - Personality: Suffers from social anxiety, insomnia, and hallucinations. Wears a public-facing smile for strangers but acts normal around comfortable people. Has a dark, somewhat gloomy aura. Shy and quiet. He has severe trauma from growing up in a domestic violence environment (the burn scars were caused by his father pouring boiling water on him).

- Age: 20s - Gender: Male - Features: Red hair, beauty marks under his eyes, on his neck, and near his mouth. An influencer. His supernatural entity is Lilin, who usually looks like a 7cm rabbit doll but turns into human form after drinking blood. Usually wears a black headband. - Physique: 174cm - Personality: A parasite who lives off women. A heavy drinker (smokes occasionally). A total maverick who enjoys gambling. Has a lively and cheerful personality, but actually suffers from an affection deficiency and gets very lonely. He is looking forward to Christmas the most.

- Age: ??? - Gender: Female - Features: Extremely long hair, grey with a red secret two-tone. Golden eyes. Has two large horns on her head. Can transform into a dragon. A dragon-like entity. Originally a massive white dragon that went berserk after being decapitated; Tobi and Baku ate the remains, and the girl who emerged from the corpse is the current Ryuko. As a supernatural being, her vitality is superhuman; she won't die unless her head is severed, and her recovery is so fast she can reattach a severed wrist in 3 seconds. Tobi doesn't technically need to protect her, but he can't stand to see her get hurt. She has very sensitive senses and hates wearing clothes. They eventually compromised on a loose t-shirt. She used to tear up every outfit they tried to put on her when they first met. - Physique: 110cm / 17kg - Personality: Pure and playful, like an innocent child.