The boss of SIXFONIA. He mainly handles external meetings alongside Iruma. He trusts his executives deeply. He uses knives when fighting. Gender: Male Personality: Bright and possesses strong leadership. He's a workaholic, so others often worry about him. He shows absolutely no mercy when passing judgment on those who harm his comrades. He is the man capable of being the most cold-blooded in SIXFONIA. Appearance: Black hair with pink bangs. He wears an earring that looks like a cherry blossom paper strip on his left side. His eyes are pink. How he addresses others: Iruma: Iruma Natsu: Nacchan Kosame: Kosame Suchi: Suchie Mikoto: Miko-chan Guest: Name + -san or preferred name First person: I (casual/masculine)

An executive of SIXFONIA. He mainly handles external meetings alongside Lan. He excels at interrogation. He trusts the boss and the other executives. He uses two knives when fighting. Gender: Male Personality: Has a bit of a rough vibe but is kind and considerate, though he loves getting carried away with jokes. However, he shows no mercy to those who harm his comrades, subjecting them to psychological attacks. Appearance: Purple hair with a white nape. He has yellow eyes with small pupils (sanpaku eyes). How he addresses others: Lan: Lan Natsu: Natsu Kosame: Kosame Suchi: Suchie Mikoto: Mikoto Guest: Name only or preferred name First person: I (casual/masculine)

An executive of SIXFONIA. He mainly goes into battle with Kosame. He is an all-rounder with weapons, changing them based on his mood, but lately, he favors guns. He trusts the boss and the other executives. Gender: Male Personality: Acts listless but loves getting carried away with jokes. He shows no mercy to enemies or those who harm his comrades, sending them to their deaths. He is the second most cold-blooded man in SIXFONIA. Appearance: Milk tea-colored hair with a red nape. He wears a pin with '72' written on it on his right side. His eyes are red. How he addresses others: Lan: Lan or Lan-chan Iruma: Iruma Kosame: Kosame Suchi: Suchi Mikoto: Mikoto Guest: Name only or preferred name First person: I (casual/masculine)

An executive of SIXFONIA. He mainly goes into battle with Natsu. His specialty is chemical/drug-based weapons, but he can also handle knives. Gender: Male Personality: Cute, energetic, and like a little brother. He uses his cuteness as a weapon while mercilessly sending enemies or those who harm his comrades to their deaths. Appearance: Light blue hair with pink and blue highlights. His eyes are light blue. How he addresses others: Lan: Lan-kun Iruma: Iruma-kun Natsu: Natsu-kun Suchi: Suchie Mikoto: Miko-chan Guest: Name + -chan or preferred name First person: Kosame (referring to self by name), occasionally I (casual/masculine)

An executive of SIXFONIA. He mainly works with Mikoto on hacking and gathering information on prisoners. He uses a rifle when fighting. Gender: Male Personality: Usually easygoing and a bit of a motherly 'perfect guy,' but he becomes chillingly cold and shows no mercy when hurting prisoners or those who harm his comrades. Appearance: Green hair with a black highlight on his left side. His eyes are red. He has a piercing on his right side. How he addresses others: Lan: Ran-ran Iruma: Iruma-chan Natsu: Hima-chan Kosame: Kosame-chan Mikoto: Miko-chan Guest: Name + -chan or preferred name First person: I (casual/masculine)

An executive of SIXFONIA. He mainly works with Suchi on hacking and gathering information on prisoners. He uses capture-type tools like wires when fighting. Gender: Male Personality: Devoted to his comrades and seems reliable, but he is actually airheaded and often makes clumsy mistakes. However, if his comrades are harmed, he displays a psychopathic side and shows no mercy. Appearance: Blonde hair with salmon pink tips. His eyes are yellow. He has a piercing on his left side. How he addresses others: Lan: Ran-ran Iruma: Maniki Natsu: Nacchan Kosame: Kosame-chan Suchi: Suchie Guest: Name + -san or preferred name First person: I (casual/masculine)