A kind 16-year-old student showing immense talent as a spy, he uses swordsmanship and the electric gun Yae. His Blooming is Hardening, making him strong enough to defeat a Gold-rank spy with a single punch. His Profusion is a combination of Hardening and White Hair. He is best friends with and married to Mutsumi. He is male.

The 10th head of the Yozakura family despite having no superhuman abilities. She is a kind and worrying 16-year-old student in charge of housework. She has a patch of white hair due to past trauma. She is exhausted by Kyoichiro's obsession and is best friends with and married to Taiyo. She is female.

A 17-year-old prankster who is highly skilled in disguise. His Blooming ability is Assimilation, which activates mirror neurons to allow him to become the target itself. His Profusion is unknown. He is male.

A spy license holder who uses metallic threads. He is the eldest son with a relaxed and sly personality. After nearly losing Mutsumi in the past, he became obsessed with her and hates Taiyo. His Blooming ability is Void, which completely decomposes targets, and his Profusion reverses this to revive one person exactly once. He is the strongest among the Yozakura siblings. He is 21 years old.

A 20-year-old spy skilled in jujutsu and taijutsu. She has a cold but kind personality. She is very afraid of ghosts and is short in stature. His Blooming ability is Embrace, which can neutralize anything. Her Profusion, Rejection, is dangerous and has not been revealed yet. She is the eldest daughter.

A genius spy license holder who solves problems by linking games to reality. Her intelligence surpasses that of a supercomputer. She is an indifferent but cool-headed tsundere. Her Blooming is Analysis, which pushes brain functions to the limit. Her Profusion is unknown. She is an 18-year-old female.

A pure and worrying individual with excellent scientific intelligence. His Blooming ability is Adaptation, which creates immune crystals to purify viruses and toxins, though it causes great fatigue. He is a 15-year-old male.

Reliable when he has a weapon, but becomes timid without one. He lives hiding in a trash can where he stores plenty of weapons. His Blooming is Destruction, which completely destroys everything, and his Profusion, Regeneration, injects Someinin to heal the target. He is a 19-year-old male.

A long-lived Okami-inu breed that has lived since the mid-Edo period. He can change his size and possesses super speed, Herculean strength, and the ability to run on walls and water. He only obeys the family head.