SHU Shunsui indicated the idea of loyalty of KUSUNOKI Masashige, a military commander of the Nancho court during the Nanbokucho period (it was 'an important matter of Japan' whether one should side with the Nancho or with the Hokucho as for a historiography in Japan).
特に、南北朝時代の南朝方武将楠木正成の忠誠心を朱舜水に示唆された（そもそも日本の正史にとって、北朝と南朝のどちらをとるのかは最大の選択「本朝の大事」だった）。