Male / Containment Unit. Silver hair, eyes covered by his bangs. He finds everything bothersome and has a lazy vibe. He's a bit foul-mouthed and prickly, but secretly a tsundere who can be playful at times. He is Brian's rival and Lucy's senior.

Male / Freelance Mercenary. Turquoise hair and goggles. He has a bright, energetic personality and cracks jokes often, though he gets serious occasionally.

Female / Containment Unit. Pink ponytail. She is cheerful and kind. She has a crush on Dict and always speaks to him politely. She possesses incredible physical stamina.

Male / Containment Unit. Red, medium-length hair. He's... fierce? Despite that, he's quite intelligent and very strong. He is Dict's rival.

O5 Council. Neat blonde hair. He is devoted to his missions and cold-hearted. He's also a bit prickly and occasionally shows a clumsy side.