In part, the envoy was charged with conveying a response to a message sent to the Joseon court by the Japanese shōgun.
In part, the Joseon ambassador sought Ashikaga involvement in suppressing pirate raiders which were believed to come from Japan.
[4] When Pak returned from Japan in 1399, he brought with him more than 100 wakō captives,[1] an explicit earnest of good fatih.
[1] Pak conveyed the following letter from Shōgun Yoshimitsu to the governor of Kyushu: The Japanese hosts may have construed this mission as tending to confirm a Japan-centric world order.
[3] Pak's historical significance was confirmed when his mission was specifically mentioned in a widely distributed history published by the Oriental Translation Fund in 1834.