Thereafter, he promoted to daiotsujo (the fifteenth grade of nineteen grades of cap rank, which corresponds to Shohachiinojo and Shohachiinoge, Senior Eighth Rank, Upper and Lower Grades of Taiho Ritsuryo, Taiho Code) in 658 (the period of Empress Saimei), established Takakusa County in January 658 after braking 水依評, and passed away on April 21, 658.
その後、斉明天皇4年に大乙上に昇り、同年正月には水依評を壊して高草郡を設置、同年3月11日(旧暦)に死去した。