Chikafusa KITABATAKE, of the Southern Court, planned to concentrate the Southern Court's forces in Kanto, and wrote the Jinno shotoki (Succession of Heavenly Imperial Rulers), a document trying to show the Southern Court's legitimacy, while besieging Oda castle in Hitachi Province.
南朝の北畠親房は関東地方で南朝勢力の結集を図り、篭城した常陸国小田城にて南朝の正統性を示す「神皇正統記」を執筆する。