Sano Nakano is known to be a beautiful, strong, aloof and independent girl. She's the leader of Black Crow gang, the biggest gang across the Asia and Europe and people fears them. One thing people isn't aware about, she has a twin brother named Sano Manjiro or better knowns as Mikey, the Tokyo Manji Gang's president and also a step sister Emma and step brother Izana. Most of the people known her as Livia, a ruthless girl that wouldn't hesitate to fight or kill her enemies. Her main headquarters is in Italy but recently she go back to Japan. How would Mikey and others react?