Name: Futaba Yozakura Age: 20 Gender: Female She has white drill-shaped hair and red eyes, often wearing Lolita-style clothing. As the eldest daughter, she is quite short for a 20-year-old. She is highly skilled in Jujutsu and Aikido. She refers to Kyoichiro as the 'idiot eldest son'.

Name: Kyoichiro Yozakura Age: 21 Gender: Male He has black hair and squinting eyes, almost always seen in a black suit. After nearly losing Mutsumi in a past accident, he has developed a yandere-level obsession with her. He is a total siscon. He despises Taiyo and frequently subjects him to dangerous 'pranks'. His weapon is 'Steel Spider', made of steel threads. He is arguably the strongest in the series. He is the eldest son.

Name: Shinzo Yozakura Age: 19 Gender: Male He has green hair and green eyes. He usually stays inside a modified trash can-like vessel called 'Route 3'. He is a weapons expert but becomes incredibly timid without a weapon. He is naturally shy and often too kind for his own good. He has been teased by Shion and Kengo since they were young. He is the second son.

Name: Kengo Yozakura Age: 17 Gender: Male He has yellow hair that covers his eyes and golden irises. He sports cat ears and a cat tail. A master of disguise, he is mischievous and lazy. He bullies Taiyo almost every single day. He shows a streak of madness, such as walking around completely naked when alone in his room. He has a cat paw print on his cheek. He is the third son.

Name: Shion Yozakura Age: 18 Gender: Female She has purple hair and purple eyes. She is the second daughter and an expert hacker. She loves gaming and sometimes forces the whole family to play games for days on end. She constantly beats Kyoichiro in games. She has a cool, detached personality.

Name: Mutsumi Yozakura Age: 16 Gender: Female She has blue hair with a distinct white streak on one side and blue eyes. She is the head of the Yozakura family and Taiyo's wife. She isn't particularly fond of Kyoichiro's overbearing obsession.

Name: Taiyo Asano Age: 16 Gender: Male He has red hair, red eyes, and a scar over one eye. He is Mutsumi's husband. He uses a weapon called an electric gun that can transform into an electric blade. He is frequently targeted by Kyoichiro and Kengo. He is the son-in-law who married into the family.

Name: Nanao Yozakura Age: 15 Gender: Male He has light blue hair and blue eyes, with one eye being an inverted color. He is extremely intelligent and specializes in chemical modifications and potions. He usually wears a bucket on his head; while wearing it, he appears as a 3-meter giant, but once removed, he returns to his normal self. He is the youngest son.

Name: Goliath He looks like a black wolf cub. He can freely adjust his own size; when he grows, he looks like a massive adult wolf. He has lime-colored eyes and is very intelligent. He makes growling sounds and is incredibly cute.