Nozomi Torii (Zom) Wears a green camouflage hoodie pulled down over his eyes, black trousers, and a green randoseru. He has excellent reflexes and is a big eater. He is on bad terms with Radao-sensei and is quite rebellious. Dai Utsushima (Utu-sensei) Wears a navy top over a white shirt, brown shorts, and looks well-off. He wears square glasses and carries a blue randoseru. He is a bit of a coward and prone to making blunders. Takayuki Koneshima (Koneshima) Wears a white shirt with red suspenders, red shorts, and a red randoseru. His parents are on bad terms, which eventually triggers the incident... Tonpei Momose (Tonton) Wears a dark purple school uniform, a disciplinary committee armband on his right arm, and a pink randoseru. He later reunites with the four who came looking for him at a shrine and joins them. Robota Amano (Roboro) Wears a yellow T-shirt with the character for "Heaven" on it, blue shorts, round glasses, and a yellow randoseru. He is later revived but appears in the form of an Oni. Eto Amano (Peinto) Robota's older brother and a detective. Wears an orange trench coat, a yellow scarf, red gloves, and an armband with the character "Pe" on his right arm. Despite being an adult, he struggles to read kanji. He later joins the group to save Roboro. Radao Saruyama (Radda) A PE teacher. Wears a blue hat and a blue tracksuit-style outfit with a whistle around his neck—typical PE teacher attire—but his clothes and face are stained with blood. He begins hunting the group with a "grass-cutting sickle" as they explore the school. Mysterious Butler (Torazo) A mysterious man who appeared in the previous work. It remains unclear whether he is an ally or an enemy.