일본에서 가장 많은 아티스트를 보유하고 있는 기획사는 어디인가?
The is a special body of the Japanese Ministry of Education, Culture, Sports, Science and Technology (MEXT). It was set up in 1968 to promote Japanese arts and culture. As of April 2018, it is led by the Commissioner for Cultural Affairs, Ryohei Miyata. 
Ministry of Education, Culture, Sports, Science and Technology (MEXT)