Through his master Yakuro SAITO, he immediately asked Hidetatsu EGAWA, the governor of five shogunal demesnes including Izu, Sagami, and Kai, for permission to visit these places.
すぐさま師匠の斎藤弥九郎を介して伊豆・相模・甲斐など天領五カ国の代官である江川英龍に実地見学を申し入れた。