As Japan was in the state of civil war during the Northern and Southern period (Japan), kuji (political operations of the Imperial Court) and chogi (ceremonies at the Imperial Court) were inert at that time and the art of waka poetry was also affected.
当時は南北朝時代(日本)の内乱期であり、公事や朝儀は振るわず、歌道もその影響を受けた。