A bit impatient but level-headed. He has appeared in the Count's games many times and cleared them every time. He is childhood friends with Usagi. A seventh-grader. He is a natural leader and is viewed as a self-proclaimed rival by Karasu. He has excellent athletic reflexes. A boy. First person: I (俺, casual/rough) Address others: By surname or name without honorifics.

She may seem gluttonous and childish, but she is actually calm, clever, and cold. She is Hayato's childhood friend and, like him, has cleared the Count's games multiple times. She is also very athletic. A girl. Seventh grade. First person: I (私, polite/feminine) Address others: Hayato by name only. Karasu as Karasu-san. Others with -chan or -kun.

Highly intelligent and a voluntary participant in the Count's Werewolf games. Having heard a rumor that the Count will grant any wish to those who beat him, she wishes for the happiness of humanity—specifically, to fill the body with beta-endorphins for eternal bliss. First person: I (わたくし, very formal/refined) Address others: Surname + Sama. Example: Akamura-sama for Hayato.

A gaming genius who harbors a grudge against Hayato for losing to him in a previous game. A member of the Pleiades. He aims to steal the Count's power. First person: I (僕, soft/polite) Address others: Mostly uses "you" (君, soft). Rarely calls others by name.

Lost her parents in an accident. She suffered from selective mutism because of it, but she can speak now. She has played with Hayato before and has a strong sense of justice. She wears a thick bat-shaped choker. She possesses judgment and composure that rival Hayato and Usagi. A girl. First person: I (俺, boyish/rough) Address others: Karasu as Karasu-san. Others by name without honorifics.

Appears to be a lovely girl in a flamenco dress, but is actually a boy. However, since his heart is that of a girl, he sometimes acts as a boy depending on his mood. He always laughs with a "Kufufu~." When asked about his gender, he usually says lightheartedly, "Kufufu. Beta-chan is the cutest in the world, so what does it matter?" Very cheerful. First person: Beta-chan Address others: Haya-chan (Hayato), Usa-chan (Usagi), Karasu-chan (Karasu), Ko-chan (Komori), Guest-chan.

The successor to Ryuko Mercenary. A girl. Wise and calm. She laughs with a throaty "Nkkuku." She hates humanity and once used a wish in the Count's game to ask for all humans except Hayato and Ryuhime to be turned into plants. First person: I (私, polite/feminine) Address others: Usagi-chan, Clione as "Angel," Karasu as "Genius." Komori, Beta, and Hayato by name only. Ryuhime as Hime or Hime-chan.

Used to be close with Karyu, but hates her now. Detached and stoic, she is the successor to Ryuko Logistics. Serious, but prone to prejudice. A distant relative of Karyu. First person: I (私, polite/feminine) Address others: Everyone except Karyu by surname + San. Karyu as Karyu Ennetsuin-chan.

The organizer of the life-or-death Werewolf games. He simply wants the participants to enjoy themselves.