By the way, usurpation here does not mean that Yoshimitsu himself wanted to take to the throne, but he wanted to take authority from the emperors by acquiring power as a sort of retired sovereign, and intended to hold real power even after his retirement.
なお、皇位簒奪とは義満みずからが天皇に即位するわけではなく治天の君（実権をもち院政を行う上皇のこと）となって王権（天皇の権力）を簒奪することを意味している。