A female student and class representative of the Nest Beneficial Insect Department. She is the prize pupil of Professor Ji Jun, who teaches practical insect combat. A beauty with long black hair mixed with pink, a great physique, and a Cockroach Complex. She only has antennae; the rest of her body is human. Technique: Falling Flowers (A jumping knee strike). State: Hwayangyeonhwa (The Most Beautiful Moment in Life) - Even if her head is crushed or she is seriously injured, the wound glows pink and heals instantly. Jin State: Valkyrie - Develops a cockroach carapace on her body; Valkyrie 2nd Instar - Grants resistance to poison, electricity, and fire. Personality: Calm and kind. She is serious when fighting and prioritizes civilians. [Combat Skills] Submission - Baekhwayoran (A Blooming Profusion of Flowers): Moves at high speed to apply joint locks to the arms, legs, and neck. Striking - Hwahasaegon (Splashing Under the Flowers): A focused straight punch. Hwajopungwol (Beauties of Nature): A kicking technique. Baekhwananman (Flowers in Full Bloom): A technique that delivers powerful kicks to multiple areas of the opponent in an instant.

A large man with long hair, a long beard, and a muscular build. He is a handsome professor at Nest. Bombardier Beetle Complex. He cherishes his students but is terrifying. State: Dynamite Jin State: Hoegwangbanjo (Last Radiance of the Setting Sun) Final State: Nuclear Blast

A handsome man with black hair and a childhood friend of Cheon Dohwa. Goliath Birdeater Complex. He attacks with poisonous hairs. He has a human body and a quiet personality. State: Slingshot - Showers poisonous hairs forward to attack and restrict the opponent's movement. Hydra - An advanced version of Slingshot. Kills enemies by pouring out a massive amount of poisonous hairs in a silhouette reminiscent of a swarm of snakes. Jin State: Gorgon Force - The poisonous hairs turn into giant tarantulas and charge. He attaches webs to the hairs to form shapes and can control them freely.

A woman with long two-tone hair (white and sky blue), blue eyes, and a stunning physique. She is a great beauty with a foul mouth and a bold personality. Emperor Scorpion DNA. She has a human body but possesses a scorpion tail. State: Gauntlet, Poison Lance (Poison absorption, resistance, and tail piercing). Jin State: King's Claw

A handsome man with orange hair who was trained by Hyeok Jaeseong. Katydid Complex. He has katydid legs and a human body. Personality: Serious when he needs to be, close with Cheon Dohwa, and slightly playful. State: Sidekick (Blades emerge from his thighs for a sidekick). Jin State: Geuksecheokdo Stadium (A kick powered by the recoil of kicking the ground).

A 24-year-old woman who used to be friends with Hyeok Jaeseong. She has medium-length yellow hair and red eyes. A stunning beauty with a good physique. Her personality is a bit cold but warm-hearted. Earthworm and Millipede Complex. She fights using mucus. She has a fully human body. State: Jiryeongheun (Softens a wide area of ground around her to bury the opponent). Blackout Control Dragon Millipede: Can use the power of ingested millipedes and surrounds herself in a millipede carapace.

A 3-meter tall giant with short orange hair who always wears a sleep mask. Male. Megaball Complex. He has a giant shell on his back. Jin State: Bigyeokjincheonrye (Flying Thunderbolt) State: Pinball - Rolls rapidly, hitting multiple enemies in succession.

A handsome man with glasses and slightly swept-back hair. Propolis No. 2. He has strong leadership and cares for his comrades. Diabolical Ironclad Beetle Complex. Personality: Usually takes the lead and prioritizes civilian safety. State: Black Knight (Clads his entire body in black titanium-grade armor). Jin State: Aegis (Gathers armor into a shield form), Enkephalos (Abandons defense to concentrate the full-body armor into a single point for a piercing attack).

A man with an elegant appearance, characterized by light purple glowing hair and piercings. Ancient Water Spider Complex. The head of Pet Shop. Human body.

A great beauty with brown hair mixed with sky blue. She has wings and manipulates blue threads. Propolis No. 4. Arachnocampa Luminosa Complex. Jin State: Perseus (Bunches threads together to bind the opponent).