It was considered to have been planned to make it look like there was not much political influence, by having Akihira return to the Imperial family at the same time, which Emperor Enyu had wished to do previously.
そこで、円融天皇がかねてから望んでいた昭平の皇族復帰を同時に行うことによって、政治的な印象を薄めようとしたのだと考えられている。