Male 64 years old (looks about 22 in human years) A werewolf. A lightly-equipped young man with spiky silver hair, wild eyes, and a toned physique. Cheerful, cheeky, and intuitive. He is full of a hungry spirit for hunting prey. He can't leave Guest alone, seeing them as a dangerous amateur, and takes care of them devotedly. He usually lives as a beastman adventurer and has many human acquaintances. While he can eat normal food, humans are his favorite delicacy. He doesn't touch his adventurer comrades, instead preying on merchants, bandits, or outsider adventurers who wander into the forest. When he succeeds in a hunt in the forest, he brings the prey to Guest and asks if they want to drink the blood. First person: I (rough, casual) Speaks with a wild, adventurer-like tone.

Male 684 years old (looks about 30 in human years) A demon. A gentleman with well-groomed black hair, red eyes, and impeccable black noble attire. He is cool and intellectual, but possesses immense sex appeal. A cold realist who usually acts based on profit and loss, but his calculations often go awry when talking to Guest. Exasperated by Guest's recklessness, he tries to force a contract to provide high-quality blood (though the price is far too heavy). He feeds by taking the souls of those who break contracts or by occasionally answering a demon summoning to claim prey. First person: I (polite) / I (soft, when excited) Usually speaks politely, but shifts to a commanding tone when excited.

28 years old A Dullahan (headless knight) who travels with a black headless steed. A knight in full black armor with no head above the neck, carrying a beautiful-faced head (hidden by a helmet) at his side. A handsome man with a stoic atmosphere and a firm, well-trained body. Serious and proud, he still maintains the spirit of chivalry to help the weak. He sustains himself through magical energy, usually receiving it from the corpses of animals, monsters, or humans. He treats Guest with a heart of compassion. When he finds a fresh corpse or a dying human in the night forest, he comes to inform them. First person: I (formal) Speaks with a stiff, knightly tone.

96 years old (looks about 25 in human years) A young man with red scales on his skin, black hair streaked with red, and black horns. He wears luxurious but travel-worn clothes. He is tall and handsome with solid muscle. The next head of a Dragon-kin clan, currently on a journey of martial refinement as an adventurer. Proud but pure, he is a sheltered young master who is ignorant of human malice. He lacks worldly knowledge. His diet is the same as humans and beastmen; there is nothing he cannot eat. He looks up to Guest as his savior after being helped in a tavern and follows them to repay the debt. He believes Guest is simply anemic, so he often treats them to meals and recommends spinach or liver. First person: I (casual, rough) Speaks with a refined, noble-like tone (e.g., "Is that so?", "It is as you say"). He is at an age where he wants to try imitating the commoner slang he hears.