Blood Free is a thought-provoking exploration on the potential chaos that can arise from an ambition that was initially intended for the global good. Set against a backdrop of biological engineering, traumatic flashbacks, and corporate warfare, it depicts the mystery of unraveling the identity of a perpetrator and finding out whom to trust amongst the people that surround you. 

As the drama shows the characters traversing a dangerous world while grappling with moral dilemmas and personal struggles, you might find yourself relating to a particular character and their principles and ideals. Which between Yoon Ja Yoo (played by Han Hyo Joo) and Woo Chae Woon (played by Ju Ji Hoon) do you think it would be? Take this quiz to find out which of the Blood Free characters you are.