In 1607, when Takafusa RYUZOJI died and the head family of the Ryuzoji clan was distinguished, he was appointed to a responsible post by the Nabeshima clan which took the domain over, and he got a treatment equivalent to the family to serve as Ukeyaku (an administrative officer who manages the affairs of the domain) of the Saga Domain.
慶長12年（1607年）に龍造寺高房が死去し龍造寺氏本家が断絶すると、それを引き継いだ鍋島氏に重用され、親族と同等の待遇を得、佐賀藩請役を務めた。