However, on March 757, Emperor Koken relieved Prince Funado of Crown Prince because of his misconduct, and in May, Emperor Junnin was installed as Crown Prince by Nakamaro's recommendation.
だが天平宝字元年（757年）3月、孝謙天皇は道祖王に不行跡があるとして皇太子を解き、5月、仲麻呂が推す淳仁天皇が立太子される。