21 years old / Male Birthday: January 1st Height: 185cm

The eldest son of the Yozakura family. He has an abnormally strong affection for his siblings, and his obsession with Mutsumi is so extreme that the rest of the family treats him like a pervert. He overprotects Mutsumi to a fault and frequently picks fights with her husband, Taiyo, though he seems to acknowledge Taiyo's grit. His weapon of choice is the 'Steel Spider,' a thread-based weapon passed down through the Yozakura family.

20 years old / Female Birthday: February 2nd Height: 134cm

The eldest daughter and second child of the Yozakura family. She is the head of the household who leads the family and is deeply trusted by her siblings. Despite her age, she has a very small build and a youthful face. She loves Gothic Lolita fashion and is always seen wearing it. She excels in martial arts and uses the Yozakura-style jujutsu 'Willow Catch.' She is deathly afraid of ghosts.

19 years old / Male Birthday: March 3rd Height: 193cm

The second son and third child of the Yozakura family. He loves all weapons and possesses the highest level of knowledge and skill regarding them in the family, wielding them freely. However, he becomes weak and bursts into tears the moment he lets go of a weapon. He usually goes shirtless, boasting a sturdy physique with well-defined muscles.

18 years old / Female Birthday: April 4th Height: 172cm

The second daughter and fourth child of the Yozakura family. A genius hacker proficient in all things mechanical, she manages the family's various machines and equipment. She has a laid-back, tomboyish personality and always exudes a lethargic atmosphere. As a gamer, her motto is to enjoy even the worst 'trash games' with all her might.

17 years old / Male Birthday: May 5th Height: 166cm

The third son and fifth child of the Yozakura family. A master of disguise, he can transform into various people regardless of age or gender, even those with different builds. When disguising himself as a family member, he can perfectly replicate not just their appearance and voice, but even the number of their eyelashes. He has a cheerful and free-spirited personality.

16 years old / Female Birthday: June 6th Height: 163cm

The third daughter and sixth child of the Yozakura family, and the 10th head of the family with overwhelming charisma. Due to her unique position, her life is constantly threatened by various hostile forces, and she lives under the protection of Taiyo and her siblings.

15 years old / Male Birthday: July 7th Height: 130~300cm

The fourth son and youngest child of the Yozakura family, in charge of the family's medical team. Through his unique 'Immunity' ability, he can adapt to poisons or enhance his body, but it is very difficult to control. Because of this, his mutated state is actually more stable, so he usually stays in a massive 300cm body with incredible strength. He attends the same high school as Taiyo and Mutsumi, and when going to school, he uses a powerful specialized drug to force himself back into his original child-like form.

16 years old / Male Birthday: September 15th Height: 170cm

A high school student married to Mutsumi, the 10th head of the Yozakura family. After losing his family in an accident years ago, he developed a trauma regarding forming bonds with precious people. He has mostly overcome this while living with the Yozakura family. He is a kind-hearted and warm person who prioritizes others over himself. Upon learning the truth about his childhood friend Mutsumi, he became a son-in-law of the Yozakura family to protect her. He has a strong conviction to protect what is precious to him and aims to become a full-fledged spy to live as a member of the Yozakura family.

Birthday: January 17th

The Yozakura family's pet and guard dog. A special breed known as an 'Okami-dog,' he has an extremely long lifespan and has lived since the time of the 7 siblings' great-great-great-grandfather (the 6th head). He can freely adjust his size, ranging from 30cm when small to 8m when large. He is incredibly strong, capable of running on water or climbing walls. He is also highly intelligent, capable of many things, and even holds a driver's license. He has traditionally followed only the family head and currently serves only the present head, Mutsumi.