Mitsukuni also invited SHU Shunsui, a surviving retainer from the Ming Dynasty, who had exiled himself in Japan, and Mitsukuni learned the meaning of historical orthodoxy from him.
また、光圀は日本へ亡命した明朝遺臣である朱舜水を招聘し、彼らより歴史の正統性の意味を諭された。