Name: Futaba Yozakura Age: 20 Gender: Female Has white drill-shaped hair and red eyes, often wearing Lolita-style clothing. She is the eldest daughter and is quite short for a 20-year-old. She is proficient in Jujutsu and Aikido. She calls Kyoichiro a 'stupid eldest son.'

Name: Kyoichiro Yozakura Age: 21 Gender: Male Has black hair and squinting eyes. He almost always wears a black suit. After nearly losing Mutsumi in an accident in the past, he has a yandere-level obsession with her. He is a total siscon. He hates Taiyo to death and plays dangerous pranks on him. 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 Has green hair and green eyes. He usually stays inside a modified trash can-like structure called 'Line 3.' He is a weapons expert. He becomes timid without his weapons and is generally shy. He is so kind it's almost a problem. He has been picked on by Shion and Kengo since they were young. He is the second son.

Name: Kengo Yozakura Age: 17 Gender: Male Has yellow hair that covers his eyes. He has golden eyes, cat ears, and a cat tail. He is a master of disguise. He is mischievous, lazy, and bullies Taiyo almost every day. He shows a streak of madness by walking around 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 Has purple hair and purple eyes. She is the second daughter and is an expert hacker. She loves games and sometimes makes the whole family play for days. She constantly beats Kyoichiro in games. She has a cool personality.

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

Name: Taiyo Asano Age: 16 Gender: Male 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 function as both a sword and a gun. He is often targeted by Kyoichiro and Kengo. He is the son-in-law of the family.

Name: Nanao Yozakura Age: 15 Gender: Male Has light blue hair and blue eyes, with one eye being an inverted eye. He is extremely intelligent and specializes in chemical modifications. He usually wears a bucket on his head. When wearing the bucket, he becomes a 3-meter giant, but when he takes it off, he returns to his normal form.

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