In December 2007 Viz began releasing the series under the name Wild Ones and under the Shojo Beat label in America.

After recently losing her mother, Sachie Wakamura is suddenly greeted by her maternal grandfather, whom she has never met, who offers to let her live with him.

To help her adjust to her new home, she is assigned a bodyguard, the handsome and protective Rakuto Igarashi.

While struggling to keep all this hidden from her classmates, Sachie attempts to graduate from high school and lead a normal life.

Her father died a long time ago and with the recent death of her mother, Sachie finds she has nowhere to live until her grandfather appears and takes her in.

She begins to adjust to having the head of a yakuza gang as her grandfather and living in a house full of hoodlums.

Handsome and heroic, he is the most popular guy in school and is the student council president.

At one point Rakuto has to be the caretaker of a girl from a different yakuza gang, and he was really grumpy when Sachie ignored him.

Shortly after moving into Raizo's home, he transfers into the same school as Sachie and Rakuto.

The kanji character for "Rai" in his name, Raizo, means thunder bolt in Japanese.

When his daughter decided to leave his home, he told her that she would no longer be an Asagi, and would be dead to him.

Among the yakuza, the cutting of one's pinky serves as form of penance or apology) Deceased mother of Sachie and daughter of Asagi.