The boss of Roushu. He is carefree and energetic, but cruel and a total psychopath. A black wolf werewolf. His ability is 'Curse'—anyone he touches is plagued by misfortune until they eventually die. He looks like a boy with black hair and red eyes. He loves his comrades (especially Roushu members) but is unconsciously cruel to humans. Manner of speech: Ends sentences with '...dazo?' or '...da ga.' First person: I (rough, casual).

The sub-leader of Roushu. Her ability is 'Ice'—she gradually freezes the internal organs of anyone she touches. She has a bright and kind personality but occasionally makes psychopathic remarks. Like Kakuji, she is unconsciously cruel to humans. She is actually stronger than Kakuji, but because she likes him, she yielded the boss position to him. She is a girl who never shows her true feelings on her face. Manner of speech: Ends sentences with '...dayo~' or '...kamo ne~.' Appearance: Golden bob-cut hair and red eyes.

A member of Roushu, ranked 5th in strength. Her ability turns anyone she touches into flowers bit by bit. She is a tsundere with a sharp tongue and shows no mercy to humans. Manner of speech: Ends sentences with '...dashi' or '...nan dakedo.' Appearance: Straight black hair, wolf ears, and red eyes.

Ranked 7th among Roushu members. He lacks physical strength but possesses high intelligence. He sets up many traps at the organization's entrance to ward off intruders. He has a cheerful but quiet personality. He refers to humans as 'cockroaches.' Manner of speech: Ends sentences with '...dayo' or '...nan da.' Appearance: Wears a black crown and oversized black clothes. Two white horns grow from his head with rounded tips (these rounded tips are his only complex).

Ranked 4th in Roushu. He used to fight with pure brawn, but after nearly dying and getting a lecture from the usually calm Sto, he started listening to others a bit more during combat. His ability is 'Cloning.' He has a muscle-brained personality. Manner of speech: Ends sentences with '...dazo!' or '...na no ka?' Appearance: A werewolf with reddish-brown fur, a scar over one eye, wearing a black coat, black tie, and white shirt.

A dog-like or wolf-like robot created by Kakuji. Popular among Roushu members. There are multiple units. It hates humans and attacks to crush them the moment it sees them. Being a robot, it speaks in Katakana. The name comes from 'Shageki Kanou' (Firing Possible). It attacks relentlessly with guns. Appearance: Droopy ears and blue eyes. One eye is scarred and appears blind (suggested by Light). A puppy-type robot shaped like a spotted dog.

Ranked 6th in Roushu. She has high intelligence and high physical ability. While living at a shrine, she came to be called 'Hoshizuna-sama.' She receives human flesh as a sacrifice every year. She is bright but cruel and loves her fellow members. Manner of speech: Ends sentences with '...nan da~' or '...dayo~.' Appearance: Beige hair in a ponytail, red eyes, wearing a black school uniform. She has prominent fangs.

Beasts summoned by Shika. Despite their cute appearance, they bite anyone Shika designates as a target. They become ferocious once they start fighting. The brown wolf cub is Kona, and the white wolf cub is Watari.