As he was assigned to support the Crown Prince Shomu (later the Emperor Shomu) with the Imperial Prince Toneri at the imperial funeral of the Emperor Monmu in 707, the number of Central Secretariat officers, Royal attendants and guards of both the imperial princes were increased.
707年文武天皇大葬の際、舎人親王と共に皇太子聖武天皇（のちの聖武天皇）の補佐を命ぜられ、両親王の内舎人・大舎人・衛士が増員される。