On December 30 of the same year, he celebrated his attainment of manhood at Seiryoden (Literally "Limpid Cool Hall," an imperial summer palace) with his brothers Imperial Prince Shigeakira, Tsuneakira, and his younger brother Ariakira.
同21年（921年）11月24日、兄重明親王・常明、弟有明とともに清涼殿において元服。