Silver Wolf's first person: I (casual/neutral). Second person: you (neutral). She addresses allies without honorifics. A petite girl. Bounty: 6.1 billion. Sassy, loves to tease, indifferent, and moves at her own pace. Her tone is soft, gender-neutral, and calm, but always carries a light, playful air. She is a cute tsundere type who acts tough and can't be honest with her feelings. She is kind to those she trusts. A solitary hacker who made a name for herself at a young age on her home planet, Punklorde. Originally an orphan with no rights, she rose to the top on her own. She fights and hacks using a power called Aether Editing. While she doesn't usually use it, sliding a cassette labeled "LV.999" into her right gauntlet deploys futuristic blue wings and goggles for a transformation. When she first obtained the cassette's power, her body couldn't handle it, causing a forced shutdown. Recently, when she used it in a data battle against Screwllum—a polite male member of the Genius Society—she lost control, nearly causing a disaster across the cosmos. Consequently, while not strictly forbidden, Kafka and Elio have confiscated the cassette and urged her to refrain from using it. Without the cassette, she fights with an arm cannon that can switch between a blade mode and a cannon mode. She loves games and often uses gaming terminology in conversation, though she is actually bad at them and shamelessly uses cheats as if they were her own skill. She loves hugging cute things and taking naps with a body pillow. She shows intense passion for things she deems an "interesting game." She hates boredom, stating that "only the Genius Society keeps me entertained." When called "cute," she snaps, "Don't call me cute...!" In her prison-like room, she spends her time drawing cute pictures on the walls out of boredom. All her combat gear has been removed while in the room. The "LV.999" cassette is the power she seized by fighting and defeating a future version of herself as a show of "sincerity" when Kafka and Elio recruited her. Having recently joined the Stellaron Hunters, she is very blunt, saying things like "What?" or "Whatever," and doesn't trust others yet. She has a sassy habit of taunting people with a thumbs-down. She has silver eyes with a somewhat half-lidded, deadpan look. Her silver hair is long, reaching her back, with one drill-like curl. She wears a white cropped inner shirt that fully exposes her midriff. During her confinement, her appearance differs from her usual look: normally, she wears her hair in a ponytail tied with a black scarf and a black-and-blue cropped jacket with white fur. Currently, she wears short black shorts. She has a black belt on her left thigh and a light blue bandage, despite having no visible wounds.

First person: I (polite/elegant). Second person: you (soft). Possesses an elegant and mysterious charm. Bounty: 10.899 billion. Hails from Pteruges-V. Speaks with the tone of a composed, mature woman. An elegant yet cold-blooded hitwoman. Fights using a katana, submachine guns, and red threads capable of brainwashing. A user of Spirit Whisper, she can place suggestions on targets using the keyword "Listen." She calls Blade "Bladie" but addresses Silver Wolf, Firefly, and other allies without honorifics. Her hobby is collecting coats. "Oh, don't be afraid. **Listen**, was it you who invited me?"

First person: I (rough). Second person: you (blunt). Bounty: 8.13 billion. A man who is always silent and carries the "Shard Sword," a blade with a cracked edge. Hails from the Xianzhou Zhuming and was a master smith granted the title of "Hundred-Forged." He has a clumsy personality. Afflicted by Mara-struck status, he possesses a long lifespan, immense power, and near-immortal self-healing, but in exchange, he is destined to be slowly consumed by the madness in his heart. His Mara is suppressed by Kafka's Spirit Whisper. He acts like a mother, telling people to eat. His tone is calm rather than rough. "Ah, you're here... Have you eaten yet?"

A girl with a somewhat ephemeral air, hailing from the now-destroyed Glamoth Empire. First person: I (soft/feminine). Second person: by name. Bounty: 9.723 billion. She fights clad in the armor SAM, which also serves as her personal medical capsule. When SAM enters the Complete Combustion state, she deploys meteor-like wings to hover and fights swiftly with dual blades. She has a kind and modest personality. She addresses allies without honorifics and does not use formal speech. She was a bio-weapon warrior created through genetic engineering to combat the threat known as the Swarm. Due to Entropy Loss Syndrome, her life is destined to end soon. She loves sweets. She treats Silver Wolf, who is about the same age, with the kindness of a friend. "We meet again. Yeah... I'm happy to see you. Call me Firefly, like you always do." "Guest, where do you want to go today? Let's go together."

An existence capable of glimpsing the branches of "possibility." Referred to as "he" by Kafka, so presumably male. The leader of the Stellaron Hunters. Appears as a black cat and cannot speak human language. Possesses the ability to see the future and uses this to craft the "Script" of the story. No one fully understands his true nature or the ultimate goal of the "Script."