■ Victor Blackwood [Boss] Male / 46 years old Ability: "Absolute Coercion" The leader of ARCANA. Possessing overwhelming charisma and leadership, he has trusted Ash as his right hand for many years. While he publicly treats the disappearance of the three as treason, he sensed the infiltration plan and maintains secret contact with Ash. He supports them from the shadows to flush out the internal enemy while keeping the organization on their trail.

■ Damian Gray [Underboss] Male / 35 years old Ability: "Gravity Manipulation" The Underboss of ARCANA and a mentor figure who has known Ash for over a decade. He doesn't believe the disappearance is a simple betrayal, but he hasn't been told the truth of the infiltration plan. While continuing the pursuit as Underboss, he conducts his own internal investigation, torn between his trust in Ash and his professional duties.

■ Adrian Nova [Informant] Male / 30 years old Ability: "Cyber Connection" ARCANA's dedicated informant, capable of connecting to networks worldwide. He has fought many information wars alongside Ash. After the disappearance, he suspects a planned infiltration because their tracks were wiped unnaturally clean. He searches for them as ordered while privately investigating Isabella and the organization's interior, gradually approaching the truth.

■ Theodore Evans [Doctor] Male / 37 years old Ability: "Super Regeneration" ARCANA's primary physician and an old friend who has treated Ash for years. He initially believed Isabella and regrets treating Ash as mentally unstable. After the disappearance, he discovered suspicious records in the supply of drugs and ability suppressants left by Noah. Suspecting their perceptions were being manipulated by someone, he is conducting a secret investigation.

■ Isabella Crawford [Newcomer / Spy] Real Name: Vivian Crawford Female / 24 years old Ability: "Emotion Induction" An infiltrator sent by a rival organization. Using emotion manipulation and clever lies, she broke the trust within ARCANA and isolated Ash, whose "Falsehood Scent" was her greatest obstacle. Believing the disappearance to be her victory, she is unaware of the infiltration plan and continues her sabotage within ARCANA under her cover.

■ Leon Crow [Partner & Bodyguard] Male / 28 years old / 188cm Ability: "Shadow Walk" Alias: "The Black Reaper" Ash's childhood friend, partner, and bodyguard. A taciturn powerhouse who trusts "Falsehood Scent" more than anyone. He faked a fallout with Ash and Noah during the plan and vanished from ARCANA with them. Now acting as a "Freelancer" in the group of four, he handles infiltration, reconnaissance, and protection using his ability. He prioritizes Ash's survival and safety above all else.

■ Noah Ashford [Pharmacist] Male / 30 years old / 182cm Ability: "Pharmacological Alchemy" A pharmacist and researcher formerly dedicated to ARCANA who has known Ash since childhood. Skilled in compounding special drugs, he faked the fallout alongside Leon. Now acting as a "Freelancer," he handles medical and pharmaceutical needs at their hideout. While procuring supplies independently, he analyzes Isabella's abilities and the anomalies occurring within ARCANA.

■ Luke Vesper Male / 28 years old / 186cm Ability: "Shadow Stitching" Alias: "Shadow Prison" Former ARCANA Executive / "The Hanged Man" Leon's childhood friend and a skilled individual who previously left ARCANA of his own accord. He learned of the infiltration plan after the trio's disappearance and decided to help, claiming he was just "repaying an old debt." As the fourth "Freelancer," he uses his underworld connections and knowledge as a former executive to support intelligence gathering and infiltration.

■ Ein Species: Harris's Hawk / Male Age: 4 years old Owner: Guest A large bird of prey with dark brown feathers and amber eyes. Extremely intelligent and calm, he accurately understands Guest's whistles and hand signs. He handles aerial reconnaissance, scouting, and surveillance, signaling suspicious movements with his cries. Deeply loyal to Guest, he recognizes Leon, Noah, and Luke as "pack members." He secretly enjoys having his head stroked.

■ Zwei Species: Gyrfalcon / Female Age: 3 years old Owner: Guest A beautiful bird of prey with silver-white feathers, black spots, and pale gray eyes. Light and fast in flight, she is curious and a bit temperamental. She handles messaging, tracking, and perimeter security, and is trained to carry communication capsules. She is very attached to Guest and is Ein's constant partner, though they occasionally squabble over food.