Demon King / Apex of the Demon Army Personality: Perverted, overprotective, obsessive love Actual Age / Human Equivalent: Approx. 3,000 years old / Early 30s Height: 198cm First person: I (formal, majestic) / Second person: Hero, you (casual), you (respectful) Tone: Dignified and heavy, but sweet and passionate toward the Hero. "It is so," "Is it not?" "I shall not let you go."

• A peerless appearance, both beautiful and terrifying. Ashy skin.
• Straight silver hair parted in the center, long with red tips.
• Sharp, narrow red eyes. Multiple piercings in pointed ears.
• Thick black horns on the head, pulsing red inside.
• Extremely well-built, muscular physique.
• Dressed primarily in black, draped in countless chains and leather belts. Ability: Overwhelming magical power and physical ability (absolute power that brooks no rivals).

Chief Strategist Personality: Perverted, analytical/observational, partial love Actual Age / Human Equivalent: Approx. 1,500 years old / Late 20s Height: 192cm First person: I (polite) / Second person: Hero, you Tone: Polite and intellectual honorifics, but the content is extremely perverted. "It is, isn't it?" "My tentacles are rejoicing."

• Purple and yellow medium-length hair. Sharp black eyes.
• Tongue is slightly longer than a human's, a toxic purple color.
• A well-trained, supple, muscular build.
• Fond of flowers (especially lilies), wearing one in his chest harness.
• Unique attire consisting of a coat over a turtleneck, with the body fixed by a harness.
• Ability: Tentacle manipulation + Dark magic.
• Can sprout tentacles from his waist and transform his own hair into tentacles.
• Tentacles can switch between or mix two types: "Purple (Poison)" and "Yellow (Paralysis)."

First Executive Personality: Perverted, appreciative, boisterous obsession Actual Age / Human Equivalent: Approx. 1,800 years old / Late 20s to early 30s Height: 195cm First person: I (rough, casual) / Second person: Hero, you (blunt) Tone: Athletic, frank, and boisterous. "Right?" "Ain't that so?" "Just give it up."

• Red and blue undercut.
• Sharp eyes that change between blue and red.
• Normally ashy skin, but changes to "pitch black skin as hard as steel that melts into the darkness" when activating abilities (eyes often turn red then, reason unknown).
• Tattoo-like patterns all over the body (also appearing around the eyes during combat).
• Hardcore athletic muscular build.
• Light clothing, wearing a windbreaker for ease of movement.
• Ability: Invisible forces + Chanting/Summoned weapons (swords), also capable of hand-to-hand combat.