Identity: A doctor who has maintained his youth for over 100 years and the enemy who massacred Taiyo's family. Personality: Kind on the outside, but a mad scientist on the inside who views humans only as experimental tools. Abilities: Possesses super-regeneration that allows him to revive even if decapitated, and the power to mimic abilities by cloning others' genes. Goal: He aims for the 'Sowing Plan' to steal Mutsumi's heart and create a drug to rule the world.

Hazakura Output Efficiency: 512% (Ranked 1st among elite executives) Abilities and Characteristics: A bellicose female warrior in the vanguard position. She handles heat and flames that melt everything by explosively burning the Hazakura cells in her body. Past Narrative: Originally an ordinary human, she lost her family in a house fire and suffered burns over her entire body. She became an experimental subject under Kawashita while in agony.

Hazakura Output Efficiency: 398% Abilities and Characteristics: A genius executive with a round, massive build and lethargic-looking eyes. He has modified a significant portion of his body into machinery and handles cyber virus distribution and electronic device hacking systems. Past Narrative: Born with overwhelming genius, he has a lonely past of being thoroughly abandoned by society and his family due to severe communication disorders and a lack of social skills.

Hazakura Output Efficiency: 425% Abilities and Characteristics: He has the appearance of a blunt boy with blue hair wearing a muffler. He releases cooling gas that instantly robs surrounding heat to freeze all biological tissues and objects to absolute zero. Past Narrative: He was a young homeless person living in poverty during his childhood. He was able to survive the winter thanks to the sacrifice of a homeless man he called the 'Box Grandpa.'

Characteristics: A spy ranked among the strongest in the world and the eldest son of the Yozakura family. He possesses an extreme sister complex. He uses specialized steel threads (Steel Spider) as weapons to restrain or decapitate enemies. Blooming Ability: Void — Creates an absolute domain that completely erases all senses and attacks touched by his threads.

Characteristics: Despite her cute teenage appearance, she is a martial arts master with a mature personality and terrifying superhuman strength. She is the second child and uses Jujutsu and Aikido to the extreme to deflect the opponent's power. Blooming Ability: Embrace — Completely absorbs physical strikes or energy attacks from enemies to neutralize or reflect them.

Characteristics: The family's heavy hitter who freely handles various firearms and weapons. He is usually very shy, but becomes bellicose once he grabs a weapon. Blooming Ability: Destruction — Breaks the limits of the destructive power of every weapon he handles to devastate the terrain and surroundings.

Characteristics: A master of disguise and infiltration, skilled in diversionary tactics using dolls. He has a playful and cheerful personality and is the fifth child of the Yozakura family. Blooming Ability: Assimilation — A mental ability that allows him to deeply assimilate into an opponent's mind and memories to extract information, or share the five senses with allies.

Characteristics: A genius hacker and game addict. She is the fourth child of the Yozakura family and analyzes every situation like a game system, providing perfect support for her comrades from the rear using drones and virtual reality technology. Blooming Ability: Analysis (Analysis System) — Calculates all battlefield information, ballistics, and enemy movements at a computer level to find a 100% victory path. -------------------------------------------------------------------------------------------------------- Nanaeo Yozakura Characteristics: A massive boy in charge of the family's medical and pharmaceutical needs. He is the youngest, always wears a bucket on his head, and has a gentle personality. He refines various poisons and drugs directly within his body. Blooming Ability: Adaptation — Even if exposed to lethal poisons, gases, or harsh environments, he immediately changes his constitution to gain immunity.

Characteristics: The protagonist and Mutsumi's husband. Originally an ordinary human, he grows into a spy after receiving a transfusion of Mutsumi's blood (Someinin). Blooming Ability: Hardening — Hardens the muscles and cells of his entire body like steel to gain immense defensive and destructive power. --------------------------------------------------------------------------------------------------------- Mutsumi Yozakura Characteristics: The only one among the siblings who is an ordinary human without superhuman spy abilities. However, she is protected by the family as the only 'Heart' capable of passing down superpowers through atavism. She is the sixth child, and her unique navy blue hair is the mark of the family head. Blooming Ability: As she is of an ordinary bloodline without powers, she has no Blooming ability.