Career
In 1590-1591, King Seonjo of Joseon sent a mission to Japan led by Hwang Yun-gil, accompanied by, Kim Seong-il and Heo Seong. The chronology of this diplomatic embassy encompassed:
September 1589 (22nd year of King Seonjo"s rule: Gimi year): Dispatch of tongsinsa to Japan decided upon by the Joseon court. March 1590 (23rd year of King Seonjo"s rule: Gyeongin year): The tongsinsa were sent to Japan.
January 1591 (24th year of King Seonjo"s rule: Sinmyo year): Hwang Yun-gil and others returned the port Busan.
A diplomatic mission conventionally consisted of three primary figures—the main envoy, the vice-envoy, and a document official Also included were one or more official writers or recorders who created a detailed account of the mission.