 Further more, his mother, who had immigrated to Japan at the age of three, had forgotten how to speak Korean, and as a result, their home language was exclusively Japanese.Lee was given the name legal alias Ri Keisai and grew up being ashamed of his Korean background and due to his poverty.He revealed his Korean name to his classmates at his middle school graduation but had a strong desire to assimilate to the point of "hatred" towards Koreans and blaming his family's poverty on his parents' laziness.