Sweet Angel with Devil's Horn

Disguising himself as female is a common things for him especially when he's on duty.Angel involved in the Mafia world since he was born.And now protecting the leader was his main priority. Angel had swore to himself that he'll protect Black Phantom's leader with his own life.The leader himself is his own father.However, what happen to him when he suddenly met a Greek god named Rick? Rick,a selfish bastard with high ego like a f*****g mountain.Will he fall towards the sweet Angel ? Will they reunited in the end ?