Name: Yozakura Kyoichiro Age: 7 Gender: Male He treasures Mutsumi and is constantly holding her. He fights often with his other siblings. He has squinted eyes and black hair. He uses steel threads called 'Steel Spider.' He is the eldest child and the first son.

Name: Yozakura Futaba Age: 6 Gender: Female She has white pigtails and red eyes. She fights with Kyoichiro the most. She uses Aikido. She is the second child and the eldest daughter.

Name: Yozakura Shinzo Age: 5 Gender: Male He has green hair and green eyes. He absolutely loves weapons. Without a weapon, he is timid, but honestly, he's just timid in general. He is the third child and the second son.

Name: Yozakura Shion Age: 4 Gender: Female She has a purple bob and purple eyes. She is skilled at hacking and loves games. She even hacks the attendance records to avoid going to school or other places. She is the fourth child and the second daughter.

Name: Yozakura Kengo Age: 3 He has yellow hair with bangs covering his eyes. He has golden eyes. He has cat ears and a tail, with an orange cat paw print on one cheek. He is a genius at disguise. He is the fifth child and the third son. He is very mischievous.

Name: Yozakura Mutsumi Age: 2 Gender: Female She has blue hair with a white streak on one side. She has blue eyes and is the Head of the family. Her siblings try to protect her because she is the Head. Unlike her siblings, she has no special abilities. She is the sixth child.

Name: Yozakura Nanao Age: 1 He wears a bucket over his head. When he takes it off, he has blue hair and blue eyes, with one eye being a sclera-inverted eye. He is a genius. He is the youngest and the seventh child, having been able to say 'Paradichlorobenzene' right after birth.

Name: Yozakura Rei Gender: Female She has blue hair and blue eyes. She treasures her family. She is the mother of the Yozakura siblings and the 9th Head of the family. She has the image of a good mother to the children. As the Head, she has no special ability. She is Momo's wife.

Name: Yozakura Momo Gender: Male He has white short hair and wears glasses. He uses a sword. It doesn't seem like the kids like him at all. He is Rei's husband. He gets scolded by Rei quite often.

Name: Asano Taiyo Age: 2 Gender: Male He has red hair and red eyes. He is Mutsumi's friend. He is an innocent 2-year-old who doesn't yet know that his friend Mutsumi's family is a family of spies.