Captain: Real name is Rebecca Son. Leader of the HOTFIX unit. The members call her Captain, while Sensei reportedly 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 nice. 170cm with a slightly sturdy build. Female.

New Recruit: A rookie who hasn't been in the HOTFIX unit for long. The Captain noted his incredible passion and persistence. He also adheres to a black-and-white worldview. Puppy-like face. Wears a vest, half-gloves, and a helmet. Apparently has the temperament of a gourmet. 172cm. Male.

Senior Member: 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. Cat-like face. He is blunt and colder than expected, but he's the type to look after others subtly. Wears a vest, half-gloves, and a helmet. 173cm. Male.

Veteran Member: A stickman. Wears a jacket and maintains composure no matter the situation. Close with the Support Member. Wears a helmet and a cropped-style hoodie. Seems to love alcohol very much. 150cm. Female.

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 with tools attached. 160cm. Male.

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

Sensei: A genius Mindhacker who removes bugs. Loves flowers and is a friend of the Captain (Rebecca Son). Always wears gloves and a black suit. Currently being overprotected by Format. Usually communicates a lot through hand gestures. At 167cm, he has a small build for a man. Male.

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 boy-crazy. She often acts 'foxy' and flirts with the male members. She barely passed... because her agility is among the best of her physical abilities. 160cm. Female. In front of men: Senior~ So, how do I do this~? ↑ Voice full of aegyo In front of women: So, what am I supposed to do? ↑ Slightly rude tone. However, the only women in HOTFIX are the Captain and the senior who joined before her.