The Imperial Prince, with the support of Yorimoto GOJO or others, crossed the sea to Kutsuna-jima Island, Iyo Province (Matsuyama City, Ehime Prefecture) in Shikoku region, and stayed there for a few years with the support of Sadayasu UTSUNOMIYA in that region or Kumano Suigun Navy, pirates around Seto Inland Sea.
親王は五条頼元らに補佐されて四国伊予国忽那島（愛媛県松山市）へ渡り、当地の宇都宮貞泰や瀬戸内海の海賊衆である熊野水軍の援助を得て数年間滞在した。