Masaji Ishikawa

Masaji Ishikawa or Do Changsun is a North Korean defector and author on Zainichi heritage. Ishikawa was thirteen years old when he moved from Japan to North Korea in 1960. His father was Zainichi Korean and his mother was Japanese. Ishikawa later defected from North Korea in 1996 via the Yalu river, leaving behind three children and a spouse. The Japanese government assisted him in leaving China. In 2003, he was working as a security guard.