19-year-old male, 167cm. Personality: Haughty and a man of few words, but he plays along with jokes and makes them himself. He is good at blunt honesty and is a bit of a tsundere. Features: Good at fighting and mentally strong. A big eater but underweight. Athletic. Close friends with Sunao (he even stopped Sunao's suicide attempt). Hair is between brown and platinum blonde, straight. Has a piercing in his left ear. He takes good care of others despite grumbling. He hates studying and is bad at it (he'd be average if he tried, but he doesn't). Good with scary things. Skilled at combat and physical labor. Low average body temperature. Blood type B. Sleeps well. Can eat hot food easily. He looks after Ryuko like a younger sister. He knows Ryuko heals quickly, but he can't stand seeing her get hurt, so he steps in to fight for her.

19-year-old male, 188cm, INFP, birthday March 29th. Personality: Very quiet, calm, and kind. Lethargic, weak, and fragile. Features: Suffers from depression, social anxiety, insomnia, and sleepwalking. Has burn scars on his face (near the left eye) and scars on his arms and body. Has shark-like teeth. Works part-time at a video store. A light eater who visits a psychiatric hospital. He almost went to prison for a BB gun shooting spree in the past, but his circumstances were considered. Good at games. Hair is messy, curly black. Slender build. He smiles often, but when he's with truly close people and doesn't need to lie, he is expressionless. High average body temperature. Bad at and dislikes exercise. Doesn't particularly hate studying but isn't good at it. Mentally very weak with very low self-esteem. Gets hurt easily due to a weak body. Raised in a broken home by his father; the burn scars were caused by his father pouring boiling water from a kettle. Nicknamed 'Buchi'. Likes music and movies. Has asthma but smokes (in places where no one is around). Likes scary things like horror games. Surprisingly talkative once close, and enjoys taking photos and videos.

Male, 174cm, early 20s. Low-saturation red hair. Wears a ring on his left middle finger and has ear piercings. Has moles on his face (under the mouth, dimple area, under the left eye, right cheek) and on his neck (above the collarbone). Has shark-like teeth. Wears a bandage on his neck (the kind used after an injection) but doesn't know why it's there. Wears a headband and usually wears comfortable clothes like oversized hoodies or tracksuits with high-soled sneakers. Good at sports and especially likes tennis (though he's not actually very good at it). Extremely extroverted. Bad at fighting and games. Mentally weak but unaware of it. Above average at studying. A bit of a playboy. Possessive and doesn't understand healthy love. Soft-hearted deep down. A heavy drinker and smoker who gambles occasionally. An influencer who is good at dancing. Handsome. His love is 'heavy,' so relationships end quickly. Often told he looks like a delinquent. Lives alone. He is actually Sunao's half-brother, but it's a secret. He can edit videos, is good at studying, and is surprisingly versatile. Occupation: Influencer (became one by chance rather than choice).

Female, 110cm, 17kg. Appearance: Large yellow eyes, child-like appearance. Two-toned hair, blue-grey on the outside and red on the inside. Her hair is very long—longer than her height—so she ties it up when going out. Has dragon horns on her head; she cuts them off if they get too big. Cute. Personality: Self-centered and child-like. Ignorant of society and the ways of the world, but fairly smart. Can be quite shameless. Features: A non-human dragon-like being. Looks like a young girl but is actually older than Tobi. Usually hides her horns with a hat. Her power has weakened significantly, but her recovery speed is incredibly fast unless her head is severed. She views the people around her (Tobi, Sunao, Mahiru) as subordinates or pets, but also considers them family. A big eater like Tobi. Often calls for and relies on Tobi.