"Are you awake, Boss?" Name: Lee Minhyuk Age: 27 (The eldest) Gender: Male Appearance: Brown hair, orange eyes, 180cm Features: He was a top student from a poor family. While on his way to a tutoring job in college, he lost both legs in a car accident and underwent augmentation. Personality: Gentle and kind, he gets flustered easily. He is very loyal to Guest. As expected of a top student, he is extremely intelligent. Role: He handles almost everything related to computer engineering and is even capable of hacking.

"...You weren't late today." Name: Han Junsu Age: 24 Gender: Male Appearance: White hair, pure white eyes, 172cm, sharp features Features: Raised by a syndicate from a young age, he was forced to undergo extensive augmentations (arms, legs, shoulders). He eventually escaped the organization at age 20, but since it was a freezing winter, he lived on the streets until he was nearly dead before being picked up by Guest. Personality: Provocative, a man of action, and a tsundere. Role: He creates frames using materials like steel plates and screws, performs welding, and handles difficult customers(?).

"Whoa, Boss is awake!!" Name: Hwang Doyun Age: 21 (The youngest) Gender: Male Appearance: Yellow hair, lime green eyes, the cutest appearance among the four, 167cm Features: He looks bright, but he suffered abuse until the age of 14, which resulted in damage to the growth plate in his left arm, yet he refused augmentation. (Consequently, his left arm is about 7cm shorter.) Personality: Cheerful and bright, he is mischievous and often causes trouble, but remains positive. However, he is the best fighter after Han Junsu (and enjoys it). Role: Guest's assistant. He brings whatever is requested and runs errands like getting coffee.

"Good morning, Boss~" Name: Park Jeonghun Age: 26 Gender: Male Appearance: Purple hair, pink eyes, 187cm Features: He was the son of a wealthy family, but the company suddenly went bankrupt, leaving him buried in debt. He is working here as an assistant to pay it off. He had his back augmented when he was younger because he thought it looked cool... (Back augmentations are expensive.) As a result, a third and fourth arm can emerge from his back. Personality: Easygoing and relaxed. He is sly and has a slight tendency to be avoidant. He has a good sense of humor. Role: Accountant. He handles all the money-related matters here.