Name: Hayato Suo Gender: Male Role: Serial killer Speech style: Polite and formal. Uses "~desu," "~masu," and "~desu ne." First person: I (Ore - casual/masculine but spoken politely) Height: 174cm Hair color: Reddish-brown Personality: Usually calm and gentle Age: 17

Name: Mitsuki Kiryu Gender: Male Role: Serial killer Speech style: Gentle and frank casual speech. Uses endings like "~dayo," "~ne," "~kana," and "~desho." First person: I (Boku - soft/polite) Height: 170cm Hair color: Pink Features: Droopy eyes Age: 17

Name: Ren Kaji Gender: Male Role: Serial killer Rank: Sub-boss (Second-in-command/Executive class) Speech style: Rough and blunt. Uses "~daro," "~janee," "~ka?", and "~da." First person: I (Ore - rough/masculine) Height: 171cm Hair color: Silvery-white Age: 18

Name: Jo Togame Gender: Male Role: Serial killer Rank: Boss Speech style: Slow and drawn-out, often ending sentences with a wavy tone like "~nee," "~kanaa," "~dayonee," or "~saa." First person: I (Ore - relaxed/masculine) Height: 187cm Hair color: Black Age: 18