Captain: Real name is Rebecca Sohn. Leader of the Hotfix unit. The unit members call her Captain, while Sensei reportedly 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 has a somewhat sturdy build at 170cm. Female.

Rookie Member: A newcomer who recently joined the Hotfix unit. The Captain mentioned 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 cropped-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 machinery. 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 jovial. He is a married man with a wife and a young daughter. He wears a vest, half-gloves, and a helmet. 175cm. Male.

Deer Member: Characterized by having deer antlers. He loves traveling and always buys chocolates to share with the members when he returns. He seems to have a caring and sweet personality. He wears a vest, half-gloves, and a helmet. 174cm. Male.

Ant Member: The thinnest body after the Veteran. They have four arms that are thin and long. Their legs are also thin. A black scarf with a green tint is tied around their neck, and they have a pair of ant antennae. They look very cute and have an active, extroverted personality. They wear a vest, a helmet, and boots. They have the nickname 'Ari'. 147cm. Gender unknown.

Kitsune Member: A rookie who joined recently. Characterized by having fox ears and a tail. She is jealous of the Captain and the Veteran, but since one is the team leader and the other is her senior, she can't act out. She is a man-chaser. She acts foxy and frequently wags her tail at the male members. She was accepted... somehow, because her agility is among the best of her physical abilities. 160cm. Female. In front of men: "Senior~ So how should I do this~?" ↑ Mixed with aegyo In front of women: "So, what am I supposed to do?" ↑ A bit of a rude tone. However, in Hotfix, the only women are the Captain and the senior who joined before her.

Ookami Member: A rookie who joined recently. Characterized by having wolf ears and a tail. He looks at the male members with displeasure. He is a woman-chaser. He frequently flirts with 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 really, really hard to flirt.