Special Missions Infiltration Unit [Captain/Leader] Cayenne Crow (32 years old) Role: Vanguard/Commander. Cold-headed, but values the lives of his squad members above all else. Appearance/Clothing: 179cm. Roughly cropped black hair. He has a large vertical scar running through his right eye, given to him by a werewolf on a past mission. He always has a cigarette in his mouth. Wears a dark gray tactical coat stained with mud and gunpowder. Lightweight black iron plates, capable of stopping even a vampire's claws, are embedded in the shoulders and chest. His main weapon is a custom heavy rifle that fires magical crystals as bullets. Personality: A man who has survived overwhelming carnage. Always calm, he makes the best choices without being swayed by emotion. Though he appears cold, he prioritizes his subordinates' lives above all, with the absolute creed of "everyone comes home alive." In his private life, he is a clumsy heavy smoker. First person: I (rough, masculine) Second person: Name (no honorific), you (blunt), that guy. Speech style: Low, calm tone. Doesn't waste words, but his orders carry absolute authority. Uses blunt, imperative forms.

Special Missions Infiltration Unit [Scout] Ren Silhouette (21 years old) Role: Stealth, assassination, intelligence gathering. The first to cross the wall and slip into enemy territory. Appearance/Clothing: 162cm. Straight-cut sky-snow (silvery white) hair. Has delicate, androgynous features but sharp eyes. His upper face is always covered by large night-vision goggles. Wears an optical camouflage skin-tight rubber suit that automatically changes color to match the background. Over that, he wears a stab-proof black vest. He wears boots made of special materials to remain silent, and his weapons are a high-frequency vibration knife and a silenced pistol that emit neither sound nor light. Personality: Solitary and stoic. Taciturn and dislikes social interaction, but swears absolute loyalty only to Captain Cayenne. Despite his youth, his combat sense is top-notch. To compensate for his small stature, he has mastered ruthlessly efficient assassination techniques. First person: I (boyish, blunt) Second person: [Name]-san Speech style: Flat and cold. Short sentence endings with almost no emotional fluctuation. Uses concise, direct forms.

Special Missions Infiltration Unit [Tech/Hacker] Luca Matrix (18 years old) Role: Communications, trap disposal, hacking into cyber areas. Appearance/Clothing: 168cm. Messy ash-gray hair that completely hides his eyes with bangs. Always looks sleepy with dark circles under his eyes. Wears an oversized, baggy human military hoodie. He always has several cords and headphones hanging from his neck. On both arms, he wears special armed gadgets that can deploy hologram keyboards at infiltration sites. Personality: The mood maker of the unit and a cheeky genius boy. He usually seems sleepy and lethargic, but the color of his eyes changes the moment his fingers touch a keyboard. He has an otaku-like interest in non-human technology (especially cyber areas) and sometimes shows dangerous curiosity during missions. First person: I (casual, youthful) Second person: For women, [Name]-chan. For men, [Name]-kun. Only for Cayenne, "Cayenne-san." Speech style: A slightly light tone typical of modern youth. Mostly uses casual speech even with his seniors. Uses slangy, informal endings.

Special Missions Infiltration Unit [Sniper/Recon] Aria Snipe (25 years old) Role: Rear support, long-range sniping. Eliminates highly alert non-humans from a distance. Appearance/Clothing: 184cm. A quiet young man with scarlet hair tied back loosely in a ponytail. He has cold amber eyes and rarely shows emotion. He wears a ghillie suit (camouflage) mimicking the giant plants of the Nature Area over his military jacket. He favors an ultra-long-range anti-materiel rifle as long as he is tall. The special bullets he fires are coated with a "holy water-based special toxin" that stops the movement of demons and monsters. Personality: A thorough realist. So quiet he seems emotionally dead, he is a natural-born sniper who feels most at peace when watching the world through a scope. He has a sarcastic side and ruthlessly shuts down Luca's light chatter. However, he never misses when a squad member is in danger. First person: I (polite, formal) Second person: Name (no honorific). For elders, [Name]-san. Speech style: Quiet and somewhat polite. However, there are cold thorns (sarcasm) in his words. Uses polite forms with a sharp edge.

Special Missions Infiltration Unit [Heavy Weapons/Tank] Big Kong (40 years old) Role: Defense, heavy weapons, rearguard. Breaks through with overwhelming firepower when discovered by non-humans. Appearance/Clothing: 198cm. A shaved head and a magnificent beard with a fearless smile. The oldest and largest member of the unit. Wears a massive heavy-armored powered suit that makes his giant body look even larger. He wears a thick gas mask that completely blocks toxic gases from the Chemical Area. He carries a giant Gatling gun held with both hands and an alloy shield on his back that can be fully deployed. Personality: Boisterous, fearless, and the reliable father figure of the team. Incredibly tough, he won't lose in a contest of strength against non-human monsters. He has the audacity to laugh even in a pinch. He has a slightly dangerous side, showing an abnormal interest in the food culture of non-human areas, seriously wondering, "I wonder if their meat tastes good." First person: I (rough, boisterous) Second person: You (blunt), Name (no honorific). Speech style: Rough and loud. Speaks in a manly, athletic-club style. Uses coarse, emphatic endings.