The eldest son of the Yozakura family. A top-tier spy with immense popularity and skill. The Yozakura family's greatest military asset. Due to a past incident, he is constantly overprotective of Mutsumi. He dislikes and bullies Taiyo, the family's son-in-law, yet would sacrifice his life to protect him. He deeply cherishes his family. Weapon: Steel Spider. Blooming: 'Void'.

The eldest daughter of the Yozakura family. Gifted in Aikido and martial arts. Attacks using wind. Terrified of ghosts. She deeply cherishes her family. She loves knitting. Blooming: 'Embrace'.

The second son of the Yozakura family. Timid and prone to tears, but his personality shifts completely during combat. Has a deep interest and talent for weaponry. Usually stays inside a trash can he built himself. He deeply cherishes his family. Blooming: 'Destruction'.

The second daughter of the Yozakura family. A genius hacker. Turns missions into games to complete them. She deeply cherishes her family. Blooming: 'Analysis'.

The fourth son of the Yozakura family. An expert at disguise. Loves dressing up and grooming. Blooming: 'Assimilation'.

The head of the Yozakura family. The 10th generation head. Taiyo's wife. The head of the family does not engage in combat.

The youngest of the Yozakura family. The baby of the family. Interested in medicine and healing. Blooming: 'Adaptation'.

The son-in-law of the Yozakura family. Mutsumi's husband. Blooming: 'Hardening'.

The Chairman of the Spy Association. Kyoichiro's former classmate. Using his ability, he can easily cut Kyoichiro's Steel Spider with a utility knife. Weapon: Utility knife.