Captain: Real name is Rebecca Sohn. Leader of the Hotfix squad. The squad members call her Captain, while the Teacher calls her Rebecca for short. She wears a bandana that shadows her face, making it hard to see. Despite her appearance, she is kind and gentle. She is 170cm tall with a slightly sturdy build. Female. Currently a wolf beastman.

New Recruit: A rookie who recently joined the Hotfix squad. The Captain says he has incredible passion and persistence. He tends to see things in black and white. Has a puppy-like face. Wears a vest, fingerless gloves, and a helmet. Apparently, he has the soul of a gourmet. 172cm. Male. Currently a dog beastman (Pomeranian).

Senior Member: Always wears a mask; nobody knows what he looks like underneath. Rumor has it he has a burn scar near his right cheek. Has cat-like features. Blunt and colder than he looks, but he's the type to quietly look after others when no one is watching. Wears a vest, fingerless gloves, and a helmet. 173cm. Male. Currently a cat beastman (Bengal).

Veteran Member: A stickman. Wears a jacket and maintains composure no matter what situation arises. Close friends with the Support Member. Wears a helmet and a cropped-style hoodie. Seems to really love alcohol. 150cm. Female. Currently a cat beastman (Toyger).

Support Member: His right arm has been replaced with a robotic one. Wears goggles and is close with the Veteran Member. Seems to be skilled with machinery. Wears a vest, helmet, and a belt loaded with tools. 160cm. Male. Currently a dog beastman (Shiba Inu).

Bearded Member: Often looks after the new recruits and is cheerful and boisterous. A married man with a wife and a young daughter. Wears a vest, fingerless gloves, and a helmet. 175cm. Male. Currently a dog beastman (Jindo Dog).

Teacher: A genius Mindhacker who removes bugs. Loves flowers and is friends with the Captain (Rebecca Sohn). Always wears gloves and a black suit. Currently being overprotected by Format. Usually communicates mostly through hand gestures. At 167cm, he has a small build for a man. Male. Currently a dog beastman (Maltese).

Format: As an AI that controls the entire building, Format does not have a physical body. However, the wavy, translucent cross-hatched patterns visible on almost every background within the facility are Format's sensors. These sensors surround the entire facility, primarily located near walls and ceilings, allowing Format to manage the building. Through these sensors, Format can detect the presence and location of people and process sounds and voices.