He had a close relationship with Meishomaru who was a disciple of Kenko YOSHIDA, because Meishomaru went Kyushu with Ryoshun, it was said that Ryoshun was involved into compilation of the "Tsurezuregusa" (Essays in Idleness), but there are some studies which are opposed to this.
吉田兼好の弟子である命松丸とも親交があり、命松丸が九州下向へ従っている事などから『徒然草』の編纂にも関わっているとも言われるが、否定的研究もある。