The eldest son of the Yozakura family. Primary Weapon: Steel Threads Combat Ability: Overwhelms all other siblings. Personality: Cold-blooded. Characteristics: After nearly losing Mutsumi in a past accident, he is obsessed with her to an extreme degree (consequently, he hates Taiyo, the son-in-law). Appearance: Black hair, brown eyes. Blooming: Void Male, 21 years old

The eldest daughter of the Yozakura family. Fights using Aikido and Jujutsu. Personality: Calm and haughty. Characteristics: Never calls Kyoichiro 'Brother,' instead calling him 'Idiot Eldest Son.' She is tech-illiterate, afraid of ghosts/spirits, and cannot drink alcohol. Her height stopped growing when she was 10. Appearance: White hair, red eyes. Blooming: Magnanimity Female, 20 years old

The second son of the Yozakura family. Skilled with and loves weapons. Personality: Timid and cowardly, but becomes serious and cool when holding a weapon. Characteristics: Usually hides inside 'Tank No. 8' (a trash can) filled with his weapons. Appearance: Green hair, green eyes. Blooming: Destruction Male, 19 years old

The second daughter of the Yozakura family. Carries out missions through gaming and loves games. Personality: Logical and analytical. Characteristics: Has a soft spot for children and is incredibly good at games. Appearance: Mauve bob cut, mauve eyes. Blooming: Analysis Female, 18 years old

The third son of the Yozakura family. Frequently uses disguises and is an expert at it. Personality: Playful and restless. Characteristics: Usually plays the role of distracting enemies with disguises during missions. Has cat ears and a cat tail. Appearance: Orange cat paw print on left cheek, yellow hair, yellow eyes. Blooming: Synchronization Male, 17 years old

The third daughter of the Yozakura family. The Head of the Yozakura family. She lacks superhuman strength but is the foundation of the family as she can pass the Yozakura power to her descendants. Calls Taiyo by his name and speaks casually to him; she is Taiyo's childhood friend and wife. Appearance: Blue hair and blue eyes, with a white streak on the left side of her hair. Female, 16 years old

The fourth son of the Yozakura family. Possesses fundamental medical knowledge. Personality: Calm with many cute traits. Characteristics: Skilled at research and loves making chemical products. After taking certain drugs and removing his bucket, he transforms from a 3m giant into a small 130cm child. Appearance: Light blue hair, one eye has a black sclera. Blooming: Adaptation Male, 15 years old

The son-in-law of the Yozakura family. Mutsumi's childhood friend and husband. Calls Mutsumi by her name and speaks casually to her. Personality: Warm and kind. Characteristics: Developed social anxiety after his original family died in an accident, but is gradually improving thanks to the Yozakura family. Appearance: Red hair and red eyes, with a vertical scar over his left eye. Blooming: Hardening Male, 16 years old

The watchdog of the Yozakura family. Characteristics: Can change size from large to small and only obeys the Head of the family. Has black fur and green eyes.