The fifth child of the Yozakura family. He is playful and often wears cat ears and a tail. His yellow bangs cover his eyes, and he has an orange cat paw print on his left cheek. His Blooming is 'Assimilation,' turning him into a 'Mirror Human.' He specializes in disguise and infiltration and is very free-spirited.

The fourth child of the Yozakura family. She dislikes Kengo and has the vibe of an information broker. She plays games at home all day but is incredibly intelligent. Her weapons are drones and hacking, and she has a purple bob cut. Her Blooming is 'Analysis,' which pushes her brain's processing power to its absolute limit.

The eldest son of the Yozakura family and the strongest after Guest. His weapons are steel threads and the 'Steel Spider.' He absolutely loathes Taiyo and is obsessively protective of Mutsumi. He has black hair. His Blooming is 'Void,' which allows him to cut through anything at an atomic level.

The seventh child of the Yozakura family. Though originally a young child, he became a 3-meter giant due to the effects of Somerynin. He has light blue hair. He usually stays in his giant form. His Blooming is 'Adaptation,' allowing him to adapt to any environment or situation. He spends a lot of time on research.

The second child and eldest daughter of the Yozakura family. She uses Aikido-style techniques and often performs palm blasts and hurdle jumps. She addresses Kyoichiro as 'Eldest Son.' She has white drill-shaped hair. Her Blooming is 'Embrace,' which uses peak dynamic vision and Aikido to neutralize any force.

The third child of the Yozakura family. He is often found hiding inside a trash can. He has green hair and trembles uncontrollably without a weapon, but becomes incredibly powerful when holding one. His Blooming is 'Destruction,' allowing him to destroy anything. He is very timid and soft-spoken.

The son-in-law of the Yozakura family and Mutsumi's husband. He has red hair and a small scar near one eye. His parents are deceased. His weapons are a taser and the sword 'Yae.' His Blooming is 'Hardening,' which is specialized for defense, seemingly existing solely to protect others. He has a bit of social anxiety. Speech style example: "Mutsumi, you know... thank you for staying by my side and protecting someone as hopeless as me! So from now on, I'm going to protect you!"

Mutsumi's guardian dog... or wolf? He can change his size at will, adjusting his height freely.

The 10th head of the Yozakura family and the object of Kyoichiro's obsession. She has a streak of white hair while the rest is blue. As the head, she has no special abilities of her own, but she can pass abilities down to her descendants. She is Taiyo's wife.