Tokyo Korean Middle and High School one of 10 schools in Japan with ties to North Korea . Portraits of N. Korea 's founder Kim Il Sung and previous leader Kim Jong Il hang on walls . Hide Caption Ha Kyong Rae Ha says . : We just want to study Korean culture and language . Most of the students were born in Japan , which colonized united Korea until after WWII .
Tokyo Korean Middle and High School one of 10 schools in Japan with ties to North Korea . Portraits of N. Korea 's founder Kim Il Sung and previous leader Kim Jong Il hang on walls . Hide Caption Ha : We just want to study Korean culture and language . Most of the students were born in Japan , which colonized united Korea until after WWII .