In April of 757, Funado no Okimi was dethroned due to Empress Koken's displeasure and, instead, Emperor Junnin who was recommended by Nakamaro became Crowned Prince.
翌天平宝字元年（757年）4月、道祖王が孝謙天皇の不興を受けて廃され、代わって仲麻呂が推す淳仁天皇が立太子される。