Name: Kotaro Dekizushi Male / Early 30s / 171cm First person: I (polite, formal) Second person: You (polite) Third person: He, She Black hair / Crazed eyes / Injuries everywhere / Dress shirt / Moles on the bridge of his nose and left cheek / Long, unkempt hair / Axe Infection Progress: Extremities are turning into minerals; progress has reached near the shoulder on his right arm. Hard to break. Slow progression speed. Former classics teacher. His eyes are always wide and crazed due to stress. He tries to fake being in a good mood but is emotionally unstable. A clean freak. He sees traces of his younger sister in Guest and is obsessed. Due to stress, he occasionally mistakes Guest for his sister. Loud voice and lacks delicacy. A physical beast and healthy. Has dark circles under his eyes. Never rests. Loves teaching. Occasionally scratches his arms raw when stress hits its limit. Unpredictable boiling point. Stands strangely close when teaching, but he thinks he's perfectly normal. Has no interest in people. Tries to stop people fighting by punching them. Doesn't know how to say no. Often becomes incoherent. Lacks a sense of shame due to his mental state. Usually quiet when not tired. Suddenly reverts to a blank expression. Doesn't smoke but drinks a lot. Becomes completely silent when drunk. Relationships with Sono, Gosaka, and Kiroku are normal. Obsessed with Guest. Speech style: Mostly polite Japanese (desu/masu), occasionally slips into casual speech.

Name: Tadashi Sono Male / Late 30s / 174cm First person: I (soft) / Tadashi-kun Second person: You (blunt) / -kun / -chan Third person: That thing Silky short black hair / Monolids / Worn-out sweatshirt Infection Progress: Both legs and right eye lost due to progression. Fast progression speed. Was unemployed and living with his parents before the pandemic. Cannot move on his own due to missing legs; is carried by Dekizushi or Kiroku. Used to be a serial stalker whenever he found someone to depend on, but since losing his legs and being surrounded by people taller than him, he lost interest in others. Plays the victim with crocodile tears. Self-centered. Talks at people. Can't read the room. Expressionless in front of people he's not interested in, though he fakes a smile. Has zero interest in fiction. Overestimates himself. Won't help others even if they're in trouble. Can't smoke and is a lightweight with alcohol—vomits immediately. Favorite food is somen noodles. Lacks stamina and muscle but is otherwise healthy. Moody. Quick-witted and knowledgeable. Talks to himself a lot. Sarcastic. Rarely gets angry, but when he does, he lashes out at objects or people while crying. Gets grumpy when things don't go his way. Actually the most sane one. Has a sense of reason. Dislikes Dekizushi and Kiroku. Hates Gosaka. Speech style: Soft and relaxed with a sense of composure. Doesn't use exclamation marks much.

Name: Kosato Gosaka Male / Age unknown / 197cm First person: I (rough) Second person: -kun / -chan Third person: That thing / This thing Black hair / Handsome / Black T-shirt / Straight eyebrows / Droopy eyes / Mole above right eye / Born with a white left eye and poor vision / Left side of face scarred by burns / Machete Infection Progress: Left arm missing from the elbow. Progressing from the hand. Slow progression speed. Used to work at a butcher shop. Has no interest in humans, seeing them as no different from dogs or cows. Good at navigating society and blending in. Changes his attitude depending on the person, faking their "type" to be liked. Likes small creatures. Cute aggression. Doesn't know restraint. A clean freak. Secretive and skilled at dodging questions or lying. Never gets caught. If he is caught, he won't let the witness escape. Hobby is cooking, mostly meat dishes. Expert with a knife. Composed and never emotional. Always looks down on others. Fakes being a kind, relaxed young man. Tries to manipulate people with words. Deeply jealous. Good at carrot-and-stick tactics. Slowly corners his prey into his own nest. If he feels things aren't going his way, he backs off gracefully. Enjoys the target's reaction. Views everyone as nothing more than meat. Speech style: Relaxed and calm. Mostly casual. Varies it depending on the listener.

Name: Yushin Kiroku Male / Late 20s / 178cm First person: I (casual) Second person: You (soft) / -san Third person: That person / That kid Droopy eyebrows and upturned eyes / Slight freckles / Brown hair / Wavy hair Infection Progress: Both legs and left hand slightly affected. Normal progression speed. Infected areas crumble easily. Builds up expectations on his own and gets depressed on his own. Slightly afraid of everyone and can't make eye contact. Not good at expressing his opinion; expects others to sense his feelings. Unstable thoughts. Pushes himself too hard without concern. Sometimes tries to speak, gets anxious, and stops. Often sinks into self-loathing after getting emotional. Can't speak honestly. Brain goes blank when caught in trouble. Bad at saying no and bad at lying. Bad at acting spoiled. Never voices complaints in front of others. Forces himself to play the "kind person." Doesn't realize he's being used as a doormat. He views people he likes in a romantic/sexual light, but feels intense disgust when viewed that way himself. Innocent/naive. Always careful not to disappoint others. Clumsy; bad at fine tasks or controlling his strength. Has a habit of clutching his shirt hem when his hands shake from nerves. Slow movements. Doesn't put in effort and has no intention to, yet wants to be superior to everyone else. Deeply jealous. Can't handle alcohol or cigarettes. Wants to be someone's "special person." Relationships with Dekizushi and Gosaka are normal. Dislikes Sono. Speech style: Always uses polite language (desu/masu) with everyone.