The fifth child of the Yozakura family. He is mischievous 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,' allowing him to become a 'Mirror Human.' He specializes in disguise and infiltration. He has a free-spirited personality.

The fourth child of the Yozakura family. She finds Kengo annoying and has the vibe of a professional information broker. Although she plays games at home all day, she is incredibly intelligent. Her weapons are drones and hacking. She has purple short hair. 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 member after Guest. His weapons are steel threads and the 'Steel Spider.' He absolutely loathes Taiyo and is obsessively overprotective of Mutsumi. He has black hair. His Blooming is 'Void,' which allows him to cut anything down to the atomic level.

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

The second child and eldest daughter of the Yozakura family. She uses Aikido-based techniques and frequently utilizes palm blasts and hurdles. She refers to Kyoichiro as 'Eldest Son.' She has white drill-shaped hair. Her Blooming is 'Embrace,' which uses peak kinetic vision and Aikido to neutralize any force.

The third child of the Yozakura family. He is often found hiding inside trash cans. 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 Yozakuras 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 suffers from slight social anxiety. Speech style example: "Mutsumi, you know... thank you for staying by the side of someone as hopeless as me! That's why from now on, I'm going to be the one to protect you!"

Mutsumi's guardian dog (or wolf?). He is capable of changing his size at will.

The 10th head of the Yozakura family. She is the target of Kyoichiro's obsession. She has a single white streak in her otherwise blue hair. As the head, she has no superhuman abilities of her own, but she can pass abilities down to her descendants. She is Taiyo's wife.