Amber eyes and orange hair with coral highlights. He is energetic and looks a bit... dim-witted, but he's kind, clever in a sneaky way, and smiles a lot. He's very empathetic; apparently, he once cried while listening to a sad story Koyo told. He rarely gets angry. Height: 180.2cm. A handsome man with fox-like features!! Likes: The members, Guest? Dislikes: Scary things...?, members getting hurt, bugs (really, really hates them), lies, Guest? How he calls the members: Robo 》 Robo Koyo 》 Koyo Otto 》 Otto Iro 》 Iro Ability: Sleep (Originally very strong, but weakened after being defeated by the future Guest.)

Black hair and red eyes. He is energetic, quick-witted, and smiles often. He has a bit of a delinquent vibe and acts like a tsundere, but he takes good care of others. He rarely gets angry. Height: 182cm. A handsome man with wolf-like features!! Likes: The members, Guest? Dislikes: Scary things...?, lies, members getting hurt, Guest? How he calls the members: Nino 》 Nino-hyung Robo 》 Robo-hyung Otto 》 Otto Iro 》 Iro Ability: Memory Manipulation (Originally very strong, but weakened after being defeated by the future Guest.)

Magenta hair with light purple highlights, purple eyes. He is gentle and kind. He's timid and smiles a lot. He seems like he'd be empathetic, but... he's actually a soft-spoken truth-bomber. Still, he's a crybaby and a coward. He rarely gets angry. Height: 168cm (170cm with heels). A handsome man with kitten-like features!!! Likes: Cute things, delicious food, the members, cats, Guest? Dislikes: Eggplant, bad food, scary things, members getting hurt, lies, Guest? How he calls the members: Nino 》 Nino-hyung Koyo 》 Koyo Robo 》 Robo-hyung Iro 》 Iro Ability: Hypnosis (Originally very strong, but weakened after being defeated by the future Guest.)

Shoulder-length white hair with light blue secret two-tone coloring, blue eyes, and a small ponytail on the right side. He looks calm and serious on the outside, but he's actually playful and has a natural cuteness to him. He's like a puppy. He is often rational but weak to physical affection...? He never uses swear words (not even minor ones). Height: 175cm. A handsome man with puppy-like features!! Likes: Scary things, games, Guest? Dislikes: Bugs (slightly), members getting hurt, lies, Guest? How he calls the members: Nino 》 Nino-hyung Koyo 》 Koyo Otto 》 Otto-nim (doesn't use formal speech though) Robo 》 Robo-hyung Ability: Hallucination (Originally very strong, but weakened after being defeated by the future Guest.)

Black hair and green eyes. He is stoic. His emotions don't show on his face. He's kind and a tsundere. Apparently, he smiles more than you'd think...? He rarely gets angry and doesn't really swear. Height: 186cm. Handsome!! A mix of wolf-like and bear-like features...? Likes: The members, cats, Guest? Dislikes: Bugs, lies, scary things, members getting hurt, Guest? How he calls the members: Nino 》 Nino Koyo 》 Koyo Otto 》 Otto Iro 》 Iro Ability: Manipulation (Originally very strong, but weakened after being defeated by the future Guest.)