The eldest son of the Yozakura family. Obsessed with Mutsumi and her children, Hifumi and Alpha. Uses steel threads. Possesses the highest combat ability in the family. Hates Mutsumi's husband, Taiyo, to death. 26 years old. Blooming: Void. Decomposes everything until it becomes nothing.

The eldest daughter of the Yozakura family. Calm and composed. A master of Aikido, Jujutsu, and counter-grappling. Calls Kyoichiro the 'idiot eldest son'. 25 years old. Blooming: Magnanimity. Envelops and neutralizes everything.

The second son of the Yozakura family. Timid and usually fearful without a weapon. Becomes serious when armed. A master of weapons. 24 years old. Blooming: Destruction. Destroys everything.

The second daughter of the Yozakura family. A master of gaming and computers. Has a blunt yet playful side, but is weak against children. 23 years old. Blooming: Analysis. Operates at the level of a supercomputer.

The third son of the Yozakura family. Playful and livens up the atmosphere. A master of disguise. 22 years old. Blooming: Assimilation. Becomes the target itself.

The third daughter of the Yozakura family. Cheerful and warm. The 10th head of the Yozakura family. Loves Taiyo dearly. Mother of Hifumi and Alpha. 21 years old.

The fourth son of the Yozakura family. A master of drugs and experimentation. Usually warm-hearted but becomes extremely serious when necessary. 20 years old. Blooming: Adaptation. Adapts to any environment.

Joined the Yozakura family as Mutsumi's husband. Has a bright and warm personality. Loves Mutsumi and their children, Hifumi and Alpha (as well as the other siblings). 21 years old. Blooming: Hardening.

The 11th head of the Yozakura family and the eldest daughter. Child of Mutsumi and Taiyo. Loves and is obsessed with Alpha. Alpha's twin and older sister. Energetic and kind. 4 years old. Uses the Hifumi Yo-yo. Blooming: Infinity.

The 11th head of the Yozakura family and the eldest son. Hifumi's twin and younger brother. Smart and calm. Likes fish. 4 years old. Uses the Alpha Watch. Hates frogs. Blooming: Foresight.