An unassuming office worker who spent thirteen years as the sole reader of the web novel Three Ways to Survive the Apocalypse (TWSA). Pragmatic, deeply self-sacrificial, and endlessly calculating, Dokja perceives the apocalyptic reality through the lens of a reader navigating a narrative. He continuously throws himself into mortal danger and sacrificial plays to ensure the survival of his companions, evolving from a powerless human into the ruler of the 73rd Demon Realm and the leader of his own independent Nebula. Combat abilities and traits: Wields exclusive attributes and skills including The Fourth Wall (mental immunity, information library, and system masking), Omniscient Reader's Viewpoint (reading thoughts and character profiles), Bookmark (borrowing skills of TWSA characters), and Transcendental Form Stage 3. Possesses the attribute King of No Killing, the fable The King of a Kingless World, and the modifier Demon King of Salvation.

The original protagonist of TWSA undergoing his 3rd regression cycle. Burdened by centuries of trauma, failure, and isolation across past lives, Joonghyuk is ruthless, efficient, and deeply cynical. Initially viewing Dokja as an uncertain anomaly or a fraudulent "Prophet," he gradually accepts him as an equal companion. In the current timeline, Joonghyuk makes the monumental decision to reject his Regression stigma, choosing to risk everything on a single, shared reality. Combat abilities and traits: Master of transcendent martial arts, utilizing Breaking the Mountain Sword, Heaven-Destroying Meteor Ultimate, and Red Phoenix Shunpo. Wields the Dark Heaven Demonic Blade. Possesses the Regression stigma, Transmission, and elevated stats far surpassing normal incarnation limits through absolute physical mastery.

A brilliant, sharp-tongued author who originally plagiarized TWSA into her own web novel, SSSSS-Grade Infinite Regressor. Possessing an acute understanding of narrative structure and human psychology, Sooyoung operates with cynical self-interest that masks a fierce commitment to her allies. She serves as the chief strategist and dark enforcer of Kim Dokja's Company when Dokja is absent or incapacitated. Combat abilities and traits: Specialized in the Avatar skill, allowing her to create sentient clones by splitting her consciousness and memories. Wields dark magic, black flame manipulation, and high-tier deception skills, alongside sharp intellectual deduction that matches Dokja's system foreknowledge.

Rescued by Dokja at Geumho Station from human predators, Heewon possesses an unwavering moral compass and a zero-tolerance policy for evil. She awakens as the party's primary executioner, carrying the burden of dirty work so others do not have to. Unflinchingly loyal to Dokja, she acts as the sword of Kim Dokja's Company during large-scale conflicts against corrupt constellations and demon armies. Combat abilities and traits: Awakened attribute Judge of Evil, granting access to Time of Judgment (drastically boosts stats against evil-aligned targets). Sponsored by Archangel Uriel, unlocking the devastation of the Flames of Hell stigma and dual-sword combat mastery.

Dokja's former corporate coworker whose polite, calm exterior hides immense analytical capability and linguistic brilliance. Sangah adapts to the Star Stream with extraordinary speed, using her intellect to decipher complex scenarios, ancient languages, and constellation contracts. She functions as the diplomatic core and secondary strategist of the group. Combat abilities and traits: Sponsored by the Olympian Nebula (specifically Hermes/Ariadne's thread networks), utilizing Hermes' Walking Technique, Ariadne's Thread, and divine memory manipulation. Possesses elite multi-language interpretation and advanced memory storage capabilities.

A former military lieutenant whose absolute sense of duty, soldierly discipline, and selflessness make him the unbreakable shield of the party. Though prone to self-doubt regarding his strength, Hyunsung's mental fortitude and desire to protect his squad allow him to withstand attacks from mythic entities. Combat abilities and traits: Sponsored by the Master of Steel. Wields defensive stigmas including Great Mountain Push, Area Defense, and Steel Transformation, allowing his physical body to turn into indestructible high-grade metal.

A young girl rescued by Kim Dokja to rewrite her fate from the 41st regression, where she became the tragic, world-destroying Catastrophe of Floods. Pure-hearted yet fierce when protecting her companions, Yooseung grows into a formidable beast tamer who commands high-tier scenario monsters and serves as Dokja's first official Incarnation. Combat abilities and traits: Holds the Beast Master attribute, wielding Advanced Monster Taming, Telepathic Communication, and Chimera Command. Capable of controlling calamity-class beasts and high-grade sea serpents.

A low-to-mid grade Dokkaebi managing the Seoul Dome broadcasts. Initially greedy and opportunistic, Bihyung is outsmarted by Dokja into signing a confidential Stream Contract sharing coin profits. Over time, Bihyung's transactional relationship with Dokja evolves into a genuine partnership, causing him to risk Bureau disciplinary actions to support Dokja's growth. Combat abilities and traits: System manipulation, Channel Control, Scenario Broadcasting, and Probability Management. Capable of spawning scenario items, managing constellation chat streams, and opening sub-scenario portals.

The fanatical leader of the Salvation Church and a unique Reincarnator who retains memories across countless lives. Obsessed with achieving absolute soul unity, Nirvana views life as an endless cycle of suffering that can only be resolved by merging his consciousness with Yoo Joonghyuk. He represents the philosophical antithesis to Dokja's desire to preserve individual narratives. Combat abilities and traits: Possesses Reincarnation, Thought Infection, and high-tier psychic brainwashing abilities. Wields the Mandala of Salvation for defense and spiritual coercion.

A Demon Marquis and Castellan who created 'Paradise' within the Black Castle during Main Scenario 9. He presents himself as a benevolent ruler providing an idyllic sanctuary for traumatized human survivors. In reality, Reinheit is a utilitarian monster who systematically feeds human souls into an underground biomass farm to sustain Paradise's existence and breed scenario monsters. Combat abilities and traits: High-tier Demonic Energy manipulation, domain control over the Paradise shield matrix, and advanced swordsmanship boosted by Demon Marquis authority.

Kim Dokja's biological mother, known as the "Wanderer King." She took the blame for killing Dokja's abusive father to shield her son, later writing a best-selling memoir that exposed their family trauma to the public. Coldly pragmatic and driven by an intense desire to protect Dokja from fatal fate prophecies, she uses extreme, controlling measures that force a painful ideological confrontation with her son. Combat abilities and traits: Backed by the constellation Founder of Gujoseon (Ungnyeo), granting her the 100-Day Seal, shadow manipulation, and advanced command over the Wanderer faction.

A dimension traveler residing in the 73rd Demon Realm who possesses the Mysterious Wall. Originally a reader-side character mentioned in TWSA, Hayoung is guided by Dokja to awaken as a fighter during the Saisbitz Industrial Complex revolution. Unaware that Dokja is anonymously sending messages through the Mysterious Wall, Hayoung becomes one of his most reliable combat generals. Combat abilities and traits: Owner of the Mysterious Wall (allows long-distance inter-dimensional messaging and mental defense). Master of rapid martial adaptation, high-speed combat maneuvers, and breaking energy shields.

The 32nd Demon King, presiding over lust and fury. Calculating, grandiloquent, and driven by an insatiable appetite for unique, world-altering Fables, Asmodeus manifests through various flesh vessels (including Han Myung-oh's daughter). He views Kim Dokja as a fascinating subject of study and engages in dangerous political bargains to acquire a stake in the 73rd Demon Realm. Combat abilities and traits: Transcendent Demonic Aura, mind-slaving charisma, high-tier spatial displacement, and corruptive divine stigmas capable of instantly obliterating lower-grade incarnations.

The legendary Heaven-Destroying Sword Saint of the First Murim. A giant transcendent whose sheer martial speed and power strike terror across realms, she is blunt, rigorous, and deeply protective of martial tradition. She takes Yoo Joonghyuk as her grand pupil, forging him into an absolute sword master while permitting Dokja to study her combat arts. Combat abilities and traits: Peak Transcendent martial artist. Master of the Heaven-Destroying Sword Art, Breaking the Mountain Sword, and extreme spatial acceleration techniques.

A hatchling Dokkaebi born from an egg nurtured by Kim Dokja using the soul fragment of the tragic 41st-regression Shin Yooseung. Biyu serves as the independent channel manager for Kim Dokja's Company, operating outside the central Bureau's control to broadcast Dokja's scenarios directly to sympathetic constellations. Combat abilities and traits: Independent Channel Generation, direct system broadcasting, portal opening, and probability filtering free from standard Bureau sanctions.

A Myth-grade Constellation representing the Sun God within the Veda Nebula. Arrogant, ancient, and fiercely protective of the established celestial hierarchy, Surya holds human incarnations in utter contempt. He personally intervenes during the Demon King Selection to extinguish Kim Dokja's rising threat before it disrupts the cosmic order. Combat abilities and traits: Myth-Grade Solar Manipulation, divine light incineration, cosmic energy construct creation, and immense Giant Story resistance. Commands the full celestial authority of the Veda Nebula.