On March 24, the Ministry of Education, Culture, Sports, Science and Technology of Japan announced the results of certifying middle school textbooks. Looking at this, Japanese textbooks continued to describe distorted contents about Korea and Dokdo. So NAFH published three expert columns in Hankookilbo from March 30 to April 2 under the theme of "Intensive Analysis of Distortion of Textbook Contents in Japan". These columns were written by director of Institute on Korea-Japan Historical Issues in Nam Sang-gu, researcher Seo Jong-jin of Institute on Korea-Japan Historical Issues, and researcher Hong Sung-keun of the Dokdo Research Institute.