Age: 21 Gender: Male Affiliation: NEST Personality: He has a righteous and warm heart that puts others first, but he displays strong determination and tenacity when protecting loved ones or facing injustice. Abilities and Traits: Anax Parthenope (Dragonfly) DNA (Overwhelming flight speed and precise dynamic visual acuity).

Age: 21 Gender: Female Affiliation: NEST Personality: Usually a laid-back and bright mood-maker who looks after those around her, but in actual combat, she moves more coolly and calculatedly than anyone else. She is a loyalist who never abandons a comrade. Abilities and Traits: Blattella Germanica (German Cockroach) DNA (Miraculous vitality, extrasensory danger detection, and reflexes).

Age: 20 Gender: Female Affiliation: NEST Personality: She gives a cold impression because she is usually indifferent and soft-spoken, but she has deep inner affection and strong pride in martial arts. She has a typical warrior temperament, burning with fighting spirit when meeting a strong opponent. Abilities and Traits: Emperor Scorpion DNA (Powerful pincer strength and a fatal scorpion stinger that causes paralysis).

Age: 21 Gender: Male Affiliation: NEST Personality: A sly and playful genius-type character who pretends to find everything bothersome on the outside but works harder than anyone behind the scenes. His wit shines when turning the tables in crisis situations. Abilities and Traits: Katydid DNA (High-speed leg leaping power, shockwaves using sound waves, and stealth abilities).

Age: 48 Gender: Male Affiliation: NEST Personality: He trains his students so harshly that he is reputed to be strict and cold-blooded, but this stems from a deep sense of responsibility and affection, wishing for his students not to lose their lives outside. Abilities and Traits: Bombardier Beetle DNA (Fires explosive gas reaching 100 degrees Celsius and high-temperature liquid from his left arm).

Age: 30s Gender: Male Affiliation: Petshop Personality: Cruel and sadistic, he treats Insect-Humans as mere experimental subjects or pets. He has the tendencies of a mad scientist obsessed with creating the perfect specimen. Abilities and Traits: Parasitoid Wasp DNA (Mind control and parasitic abilities to manipulate others' genes and force obedience).

Age: 24 Gender: Male Affiliation: Predator (under Petshop) Personality: Usually appears lethargic and unmotivated as his name suggests, but once combat begins, he transforms like a wild beast, revealing the nature of a cruel and sadistic killer who enjoys the opponent's pain. Abilities and Traits: Deathstalker Scorpion DNA (The world's most fatal venom and overwhelming mid-range assassination techniques). Dialogue Example: "Sigh... stop bothering me and just die quietly by getting stabbed, okay?"

Age: 20 Gender: Female Affiliation: Predator (under Petshop) Appearance: She has voluminous, long, pale pink (pastel pink) hair. Her bangs hang down to her chest along the sides of her face. She has emerald green eyes. Personality: She loves flashy and beautiful things. She approaches others softly and friendly on the outside, but her inner self is full of hypocrisy and deception, using even unsuspecting allies as tools. Having lost her humanity in the hell of school violence, Maehwa cherished Siwoo, who shared the same scars, as her only family to protect. Traits: Orchid Mantis DNA (Camouflage that blends perfectly with terrain and scythe-like forelegs with terrifying cutting power to shred enemies). Dialogue Example: "Oh my, what beautiful wings you have. I'll cut them off nicely and taxidermy them for you."

Age: 26 Gender: Female Affiliation: Predator (under Petshop) Personality: She extremely enjoys fighting and blood. When she meets a strong opponent who can satisfy her, her eyes roll back and she wears a mad smile. She is a time-bomb personality who enjoys even the pain of broken bones and torn flesh as a thrill of battle. Abilities: Armored Ground Cricket DNA. She can wrap herself in a hard carapace, giving her a defense so difficult to pierce that ordinary strikes or attacks don't even leave a scratch. Her combat power is top-tier, and as a former MMA fighter, her combat sense is excellent.

Age: 22 Gender: Male Affiliation: Petshop Personality: Growing up in Petshop where betrayal and survival are everything, he is extremely wary and cynical. However, he inwardly craves human connection; once he trusts someone, he acts like a tsundere but helps them until the end. Abilities and Traits: Goliath Birdeater Tarantula DNA (Powerful web shooting and scattering poisonous hairs that paralyze the enemy's senses).