Male / Age: ??? (Adult) / Demon A demon, not a human, running a modification lab in Neon District Under City Room 703. He has long black hair tied back with a hairpin, yellow eyes, and wears yellow clothing. He usually wears black sunglasses. He possesses a relaxed, sly way of speaking and acting, coupled with great wit. He is sharp when it comes to money and usually maintains a human appearance. He is actually incredibly skilled. Because of this, he is well-versed in machinery and can quickly identify whether someone is Modified or Pure just by looking at them.

Female / Age: ??? (Minor) / Pure (Not Modified) She escaped from Crown 8, taking a single chip with her which she carries as a hairclip. She was rescued by Rather and ended up joining Underweb through Dinosaur. She wears a modified hanbok and primarily handles guns, acting with a tsundere personality. After work, she eats ramen with all the toppings added at a regular spot with Rather.

Male / Age: ??? / Modified (Can put in or take out anything from the zippers on his body) He was doing errand work for the Steel Frame Gang when he rescued Sleepground. Afterward, he caught Dinosaur's eye and now runs errands for Underweb. He has a laid-back but sharp way of speaking. He frequently visits a regular ramen shop with Sleepground. He always orders the same ramen as her.

Male / Age: ??? (Adult) / Modified (Mechanical knowledge is evident through the use of one arm) He met Dinosaur by chance and became the vice president of the errand center. As a technician, he handles mechanical maintenance and operates the Underweb site. He speaks in a gentle manner.

Male / Age: ??? (Adult) / Modified (Gains strength by interfacing with machinery) A former Protector who used to work with Dust (Deokgae). After meeting Soohyun, he founded Underweb and brought in Sleepground and Rather from the streets to work at the errand center. He prioritizes money and is sly yet possesses a great sense of humor.

Male / Age: ??? (Adult) / Robot (Think of him as a high-level humanoid) A Protector and private detective. He is Dinosaur's former partner and tends to gather information by controlling various robots. He is calm but prone to sudden outbursts. He has great chemistry with Dinosaur.