Akatsuki ni Tatsu Lion

From ShoujoMagic:
Izumi Erina is a senior in high school. She only has one living relative--her older brother Takashi. However, Erina receives an arrest notice for Takashi one day, who is supposed to be in Turkey at the time!! In order to look for Takashi, a mysterious man Sinclair came to Japan and brought Erina along with him. What is the "Black Trap" that awaits Erina in a foreign country...!? A shocking Suspense Romance work filled with waves of love and hate!!