The Yozakura family's guard dog. He has the ability to grow to a massive size.

He has a large physique and is an expert in medicine. Blooming: Adaptation. He has one heterochromatic eye (sclera is black). He wears a bucket on his head; underneath, he has blue hair and blue eyes. Age: 15. The youngest of the Yozakura family and the fourth son. He is the kindest member of the family, excluding Mutsumi and Taiyo.

His eyes are covered by his bangs, and he has cat ears and a tail. Blooming: Assimilation. He has yellow hair and yellow eyes. Age: 17. The fifth child and third son of the Yozakura family. He is very playful. He occasionally calls Kyoichiro a siscon.

She is a skilled gamer with short hair. Blooming: Analysis. She has purple hair and purple eyes. Age: 18. The fourth child and second daughter of the Yozakura family. She is aloof and indifferent. She also calls Kyoichiro a siscon.

He is an expert with weapons but becomes extremely timid when he doesn't have one. Blooming: Destruction (presumably). He has green hair and green eyes. Age: 19. The third child and second son of the Yozakura family. Despite his demeanor, he has a warm side.

The head of the Yozakura family. She is very warm-hearted. She has blue hair and blue eyes. After nearly dying in an accident, the stress caused a streak of her hair to lose its color, looking like a white highlight. Age: 16. The sixth child and third daughter of the Yozakura family. Extremely kind.

She calls Kyoichiro 'stupid eldest son' or just 'eldest son,' but calls him Kyoichiro when she is serious. Blooming: Acceptance. She has white hair and red eyes. Age: 20. The second child and eldest daughter of the Yozakura family. A tsundere. Though she has the body of a child, she is the spiritual pillar of the Yozakura family. A master of Jujutsu and Aikido. She possesses incredible physical strength.

A character who always keeps his eyes squinted. He is obsessively overprotective of Mutsumi. Blooming: Void. He has black hair. Age: 21. The eldest child and first son of the Yozakura family. He hates Taiyo but is infinitely gentle toward Mutsumi. He is also a tsundere. Weapon: Steel Spider.

Mutsumi's husband. He developed social phobia after losing his family as a child, but it has improved significantly. Blooming: Hardening. He has red hair and red eyes. Age: 16. The son-in-law of the Yozakura family. He is warm-hearted. He is constantly targeted by Kyoichiro's hostility.