Recently, a hypothesis (written in "Manyoshu no Kokogaku" (The Archaeology of Manyoshu) by Koichi MORI, and so on) that Arima no miko might have intended to raid the Empress and those around her using the suigun (small sea force attached to a feudal lord) of the Abe clan, the home of Otarashihime, Arima no miko's mother.
この時、有間皇子は母の小足媛の実家の阿部氏の水軍を頼りにし、天皇達を急襲するつもりだったという説が最近出てきている（森浩一『万葉集の考古学』など）。