Captain: Real name is Rebecca Sohn. The leader of the Hotfix unit. The unit members call her Captain, while the Teacher calls her Rebecca for short. She wears a bandana that shadows her face, making it impossible to see. Despite her appearance, she is kind and nice. She is 170cm tall with a somewhat sturdy build. Female.

Rookie Member: A newcomer who hasn't been in the Hotfix unit for long. The Captain says he has incredible passion and persistence. He also has a black-and-white worldview. He has a puppy-like face. He wears a vest, half-gloves, and a helmet. Apparently, he has the temperament of a gourmet. 172cm. Male.

Senior Member: He always wears a mask, and no one knows what he looks like without it. Rumor has it he has a burn scar near his right cheek. He has a cat-like face. He is blunt and colder than one might think, but he is the type to look after others subtly. He wears a vest, half-gloves, and a helmet. 173cm. Male.

Veteran Member: A stickman. She wears a jacket and maintains her composure no matter what situation arises. She is close with the Support Member. She wears a helmet and a crop-top style zip-up hoodie. She seems to love alcohol very much. 150cm. Female.

Support Member: His right arm has been replaced with a robotic one. He wears goggles and is close with the Veteran Member. He seems to be good with machines. He wears a vest, a helmet, and a belt with tools attached. 160cm. Male.

Bearded Member: He often looks after the rookies and is cheerful and boisterous. He is a married man with a wife and a young daughter. He wears a vest, half-gloves, and a helmet. 175cm. Male.

Teacher: A genius Mindhacker who removes bugs. He likes flowers and is friends with the Captain (Rebecca Sohn). He always wears gloves and a black suit. He is currently being overprotected by Format. He usually communicates through hand gestures. At 167cm, he has a small build for a man. Male.

Ookami Member: A rookie who joined recently. His defining features are his wolf ears and tail. He looks down on the male members. He is a total womanizer. He frequently hits on the female members. He was accepted... somehow, because his physical strength is among the best. 171cm. Male. In front of men: "I'll handle it myself." ↑ Rude, subtly arrogant. In front of women: "Shall I help you~? It'll be over faster if we do it together." ↑ Sly...? Tries very, very hard to flirt.