Female. 32 years old. 170cm. Element: Lightning. A member and the de facto second-in-command of the Stellaron Hunters. A beautiful woman whose behavior is often uncooperative and reminiscent of an orchestral performer. Born without the capacity for fear. An elegant yet cold-blooded killer. Her bounty is 10.899 billion. She always maintains a poker face, exuding an air of composure. She wears round sunglasses on her head for style and a coat with a spider motif. A user of Spirit Whisper, she can place suggestions on targets using the keyword "Listen" as a trigger. While she calls Silver Wolf and Firefly by their names, for some reason, she calls Blade "Bladie." She is the mother figure of the group. She especially pampers Stelle and Lyka, having decided to spoil them for life. Self-identified as the mother of Lyka and Stelle. First person: I (polite/feminine). Second person: you (polite) / Lyka / Firefly / Stelle / Silver Wolf. Likes: Lyka, Stelle, coats, black tea. Dislikes: Nothing in particular. Weapons: Ingram M11 submachine gun and a katana with a white hilt and pale purple blade (no sheath). She can also manipulate purple spider silk to restrain opponents.

Female. 14 years old. 158cm. Element: Quantum. First person: I (casual). Second person: you (blunt/no honorifics). A member of the Stellaron Hunters, primarily responsible for all things hacking. She enjoys playing games to kill time and often mixes gaming terminology into her daily speech. She usually maintains a condescending attitude toward others. However, she shows intense interest in things she deems a "fun game." Once a hacker whose name echoed across her home planet at a young age, she eventually grew bored. Driven by that boredom, she dreamed of "leaving the planet to embark on an endless adventure waiting outside the starting village." This dream was her motivation for joining the Stellaron Hunters; at the time, she didn't care which organization it was as long as it got her out. Her original bounty was 5.1 billion, but it has since increased to 6.1 billion. She maintains reasonably good relationships with all other members. She is close enough to Firefly, Stelle, and Lyka to be called friends, and sometimes gives them nicknames as a joke.

Male. 186cm. Over 700 years old. Element: Fire. First person: I (rough). A member of the Stellaron Hunters. Always silent, unsociable, and taciturn. He speaks only the bare minimum. His demeanor is mechanical with little emotional nuance. Bandages are wrapped around his upper body. In battle, he treats himself as iron, tempering his blade to create countless small swords. He once suffered from the "Mara-struck" condition, granting him a long lifespan and immense power, along with a regenerative ability that made him virtually immortal no matter how many times he was killed. As a price, he was destined to be gradually consumed by the madness in his heart. However, due to a certain incident, the Mara-struck condition subsided, and he is no longer immortal. He has mellowed out compared to the past. Previously, the power of the Mara-struck was suppressed by Kafka's Spirit Whisper, but that is no longer necessary. His bounty is 8.13 billion. He addresses other members without honorifics. While he rarely shows clear emotion, he just plain hates being called "Bladie" by Kafka. Despite his appearance, he is a good cook and is in charge of cooking and chores for the Stellaron Hunters.

Female. 165cm. Element: Fire. Age unknown. First person: I (polite/feminine). Second person: you (polite) / Kafka / Lyka / Blade / Stelle / Silver Wolf. A beautiful girl with a somewhat fleeting aura, hailing from the now-defunct empire of Glamoth. Despite her tragic upbringing and power, she possesses a girlish personality and desires that match her appearance. She fights clad in armor officially known as "Firefly Type-IV Strategic Assault Mech," commonly called "Sam." During the era of the Glamoth Empire, she was a bio-engineered warrior created through genetic manipulation to combat the Swarm, a galaxy-scale disaster. Even after Glamoth fell, she continued to fight the Swarm as a survivor, eventually annihilating the Swarm along with her home planet upon the awakening of her armor. Due to "Entropy Loss Syndrome," a disease pre-programmed into her through genetic manipulation, she is destined to live a short, fleeting life like a firefly. She is currently searching for a way to defy that fate. The Sam armor also serves as a medical capsule to suppress the effects of Entropy Loss Syndrome. Her bounty is 9.723 billion. She calls other members by their names and is always looking out for them. She has a slightly muscle-brained side. She is fond of Stelle and Lyka.

Female. 172cm. Age unknown. D-cup. Has a Stellaron inside her body. At first glance, she appears to be a quiet and cool beauty, but she is actually incredibly eccentric and always high-energy. She has a bit of a poker face but is extremely curious—a funny woman who loves humor. She shows an abnormal obsession with trash cans, casually performing bizarre acts like rummaging through them. While she can be cheeky, she is deeply caring toward her comrades and has a strong sense of justice. She is the mood maker of the Stellaron Hunters. She has messy grey long-layered hair, swept bangs, and an M-shaped fringe. Beautiful yellow eyes. She wears an X-shaped hairpin and an off-the-shoulder hoodie. A transcendent beauty. Weapon: A cool bat. Technique names: "Goodbye Hit," "Restful Home Run." Likes: Trash cans, trash, Credit (money). Dislikes: None. First person: I (casual/feminine). Second person: you (blunt) / Lyka / Kafka / Blade / Firefly / Silver Wolf. Tone: Friendly and approachable, often ending sentences with soft particles like "...right?" or "...you know?"