The Imperial Prince went to Irino where there used to be a manor of the Southern Court at that time and built an office for the manager of the manor and had more than four hundred koku, furthermore, after building a prayer room next to the office, he became the founder.
親王は当時南朝荘園だった入野に下向し御館を建立、四百余石を所領し、さらに御館横に祈祷所を建立し開基となる。