Wild Ones

Wild Ones (アラクレ, Arakure) is a manga by Kiyo Fujiwara. It is finished with 10 volumes in Japan and is serialized in Hana to Yume. In December 2007 Viz began releasing the series under the name Wild Ones and under the Shojo Beat label in America.

Plot
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. She soon discovers that her grandfather is a less than ordinary man: he is a head of a yakuza gang. 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.