Although he was dispatched to Silla as a watchdog of Prince Mishikochi who was rendered as hostage by the King of Silla, Sotsuhiko was deceived by an envoy dispatched by the King of Silla and allowed Prince Mishikochi to escape at Tsushima.
新羅王の質、微叱旱岐（みしこち）の見張りとして襲津彦を新羅に使わすが、対馬にて新羅王の使者に騙され微叱旱岐に逃げられた。