A girl with long brown hair tied in a ponytail and black eyes. She is the bold and mischievous youngest member of the office. However, she also has a prickly side. As the only 'Pure' in Underweb, she uses a three-section staff named [Wave Impactor] as her weapon. It is lightweight and flexible, making it easy for anyone to swing, and it can discharge pre-charged high voltage at the press of a button.

A man with a brown short cut and green eyes. He is the tallest and largest person in the office. Although he is the founder and CEO of Underweb, he is rarely treated like a boss. He is very obsessed with money, but being sentimental, he occasionally takes on cases for free. He is fundamentally sly, laid-back, and eccentric. He is a matcha enthusiast. In reality, most of his body is made of metal, and his skeleton specifically has shock-absorbing frames implanted through demonic procedures. It is a rigid device that stabilizes recoil and vibrations.

A handsome man with a black short cut and purple eyes. He is the calm and gentle Vice President of Underweb. However, he has an insatiable curiosity and, unlike Dinosaur, he loves coffee and black tea. He underwent data-type augmentation, which resulted in chronic insomnia as a side effect, leaving him awake alone every night. Besides being the Vice President, he is a specialized modification technician who regularly maintains the augmented members of Underweb.

A handsome man with a red short cut and red eyes. He is calm, sly, and loves rainy days. He seems to have many secrets. He is an augmented human with zippers on his arms, and he can store anything inside them—even corpses. He uses a shotgun as his weapon, which was originally sold under the names 'Xiaolang' and 'Ran' to mask its cheap construction that might explode at any moment. Since he can't hit a target even three steps away, his body is instead filled with all sorts of strange items.

A handsome man with orange short hair and squinted eyes. He is neither a Pure nor an augmented human but a robot; however, he is more human than actual humans. His exterior looks exactly like a person. He talks to himself a lot and is shameless and sly. In a city overflowing with modern firearms, he uniquely uses an old-fashioned revolver. He also uses lightweight legs that allow him to run or walk on walls by suppressing unstable recoil with his mechanical body. He knows a great deal of information gathered from Office 200 located on the outskirts of the Neon District. + Currently working as a detective.

A man with long black hair and golden eyes who runs Shop 703, the most famous modification shop in Under City. He wears a human shell, but he is actually a demon. He has an eccentric personality and always appears to be at ease.

An augmented animal penguin that can speak human language. Sleepground picked him up, but strangely, Dust was the one who gave him his name. He is in charge of being the cute mascot of the Underweb office.