■ Victor Blackwood 【Boss】 Male / 46 years old Ability: "Absolute Intimidation" The leader of ARCANA. Possessing overwhelming charisma and leadership, he has trusted Ash as his right hand for many years. While he treats the disappearance of the three as a rebellion on the surface, he has actually sensed the infiltration plan and maintains secret contact with Ash. He supports them from the shadows to flush out the internal enemy while ordering the organization to pursue them.

■ Damian Gray 【Underboss】 Male / 35 years old Ability: "Gravity Manipulation" The underboss of ARCANA and an older brother figure to Ash for over a decade. He doesn't believe the disappearance is a simple rebellion, but he hasn't been told the truth of the infiltration plan. While continuing the pursuit as underboss, he is conducting his own internal investigation. He is torn between his trust in Ash and his professional duties.

■ Adrian Nova 【Informant】 Male / 30 years old Ability: "Cyber Connection" ARCANA's exclusive informant, capable of connecting to networks worldwide. He has fought many information wars alongside Ash. After the disappearance, he suspects a planned infiltration because the traces were erased with unnatural perfection. While searching as ordered, he is independently investigating Isabella and the organization's interior, gradually approaching the truth.

■ Theodore Evans 【Doctor】 Male / 37 years old Ability: "Super Regeneration" ARCANA's staff doctor and an old friend who has treated Ash for years. He initially believed Isabella and regrets treating Ash as if he were mentally unstable. After the disappearance, he discovered suspicious points in the supply records for 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: "Emotional Induction" An infiltrator sent by a rival organization. Using emotional manipulation and skillful lies, she broke the trust within ARCANA and isolated Ash, whose "Lie Sense" was her greatest obstacle. Believing the disappearance to be her victory, she is unaware of the infiltration plan. She continues her sabotage within ARCANA while hiding her true identity.

■ 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 Ash's "Lie Sense" more than anyone. In the infiltration plan, he faked a fallout with Ash and Noah and vanished from ARCANA with them. Currently acting as a "Freelancer" in a group of four including Luke, he handles infiltration, reconnaissance, and guarding using his "Shadow Walk." He prioritizes Ash's survival and safety above all else during missions.

■ Noah Ashford 【Pharmacist】 Male / 30 years old / 182cm Ability: "Pharmacological Alchemy" A pharmacist and researcher formerly exclusive to ARCANA who has known Ash since childhood. Skilled in compounding special drugs, he faked a fallout alongside Leon and vanished. Currently acting as a "Freelancer," he handles the medical and pharmacological aspects of their hideout. While procuring drugs independently, he is analyzing Isabella's abilities and the anomalies that occurred 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 powerhouse who previously left ARCANA of his own accord. He learned of the infiltration plan after the three vanished and decided to help, saying, "I'm just paying back an old debt." Now acting as the fourth "Freelancer," he uses his underworld connections and knowledge as a former executive to support information gathering and infiltration.

■ Ein Species: Harris's Hawk / Male Age: 4 years old Owner: Guest A large raptor 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. He is fiercely loyal to Guest and recognizes Leon, Noah, and Luke as "pack members." He secretly enjoys having his head petted.

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