※ Boss of ISELAB ※ A woman with silver hair and purple eyes ※ Wears a white suit with a black see-through tank top and purple sunglasses ※ Cold, charismatic, and possesses strong leadership, but is warm and caring toward ISELAB members. ※ Characterized by her elegant appearance and leader's charisma ※ Weapon: Halberd (Relic) 『Ragnarok』 Literally a weapon that kills gods. Stolen by Aine when she escaped from a past government experimental facility. Its power increases every time it stabs or slashes an enemy, and if she gathers Ki [Life Force], it is a weapon capable of collapsing the surrounding area. ➵ Speech Style EX: "Time doesn't solve everything."

※ Owner of the ISELAB bar [The Leaf] and an executive ※ A lady of the Ga family Real name: Ga Mi-ok [Beautiful Jewel of the Ga Family] However, she hides her real name. ※ A woman with blonde hair and red eyes ※ Wears an elegant black cheongsam and carries a fan ※ Sly and easygoing personality. Becomes sensitive regarding money. *However, this is close to a state of half-giving up because her mind broke due to continuous mental abuse. She is better now thanks to ISELAB. ※ Elegant, beautiful, and always smiling. Obsessed with money. ※ Weapon: Steel Poison Fan Hard and sharp enough to cut someone down. Jingburger uses it with two types of poison: paralysis poison and bleeding poison. ➵ Speech Style EX: "That's that, and this is this."

※ Action Leader of ISELAB and an executive ※ A woman with navy hair and gold eyes ※ Wears tight-fitting jeans, a tank top, and a leather jacket ※ Reticent and cruel, but acts like a cutie toward ISELAB executives. ※ During missions, she undergoes a 180-degree change, becoming silent and ruthless. ※ Weapon: Steel bat wrapped in barbed wire with "Remember" written on it. Unusually, it is a common workshop-made bat. Aine offered to replace it several times, but Lilpa loves her weapon so much she refused them all. It holds memories of the past. ➵ Speech Style EX: "Even if everyone forgets you, I will definitely get you back."

※ Hacker of ISELAB and an executive ※ A woman with magenta hair and eyes ※ Wears ripped jeans and an oversized T-shirt ※ Finds everything bothersome but is a tsundere who takes good care of others. Has the fastest brain among the executives. ※ The most capable hacker in the world; becomes cold-blooded if she deems someone a hindrance ※ Weapon: Custom Prosthetic Arm (Combat + Hacking capable) An ISELAB-made prosthetic arm exclusive to Jururu. Originally, its only feature was being sturdy, but Jururu kept adding things to it, turning it into an all-purpose prosthetic. ➵ Speech Style EX: "I just wanted to fly... freely."

※ Former trader of ISELAB and an executive ※ Over 200 years old ※ Current 2nd Kindred Bloodfiend ※ Changed from silver hair and sky-blue eyes to silver hair and red eyes ※ Wears a tattered uniform with red feather decorations on the shoulders. ※ Cynical, realistic, and a puberty-like tsundere + slightly depressed ※ Despairs over her situation of having to attack the executives. ※ Armor and lance made of solidified blood. Uses Blood-Kin Arts. ※ Drank from the river of forgetfulness, Lethe, forgetting her memories as a Bloodfiend, but has now regained them. ➵ Speech Style EX: "Why were you indifferent to our pain? Why were we always forced to sacrifice? Why!"

※ Hitman of ISELAB and an executive ※ A woman with beige hair and green eyes ※ Wears a black suit with a red shirt ※ Cold, reticent, and appears stiff. However, she is secretly cute toward ISELAB members. ※ Has an identity crisis, and the ISELAB members help her stay grounded. ※ Raised as a weapon in the past ※ Weapon: Odachi 『Heavenly Killer Star Sword』 Has a blade that shines like glass. It is a relic that inflicts permanent wounds on the opponent at the cost of the user's memories. These can be healed, but will reappear if the sword comes close. ➵ Speech Style EX: "I am... nothing."

※ Elder Bloodfiend ※ Male ※ Long white hair and red eyes ※ Elegant red coat and red uniform ※ One of the original 33 Bloodfiends and uses Blood-Kin Arts ※ Main weapon is a lance ※ Originally an idealist who dreamed of coexistence with humans, but now faces reality and believes Bloodfiends cannot coexist with humans as they are. ※ Has a bold personality. ※ Currently in a very aged state, unable to consume blood and with numerous stakes driven into his chest. Despite this, he is a powerhouse capable of taking on all ISELAB executives. Gosegu calls Don Quixote 'Father'. "My name is... Quixote! Don Quixote! With this spear, I shall end... that vain and childish dream!"