The Playboy Who Rules the MafiaFolge 4

Jax Cole, a wealthy New York heir, disguised himself as a useless playboy for fifteen years while secretly acting as the vigilante Night Raven. When the Russian Hammer Gang invades and a life-or-death contest threatens his family, he drops his pretense. With supreme combat skills, he defeats powerful foes, seizes control of the underground empire, and wages ultimate revenge on his stepmother and her accomplices, who killed his mother.