In 603, the former Baekje army that was working on the Baekje revival thought they would need a leader for the movement and requested Wakoku (Japan) to send back the Baekje Prince, Buyeo Pung (Hosho FUYO), who had been sent there as a hostage.
百済復興を目指す旧百済軍は指導者を求めて、603年、倭国（日本国）に人質として派遣されていた百済の王子、扶余豊（扶余豊璋）の帰国を倭国に求めた。