According to the "Kojiki," "Sotoorihime" was another name of Karu no oiratsume who was a princess of Emperor Ingyo, and she broke a taboo by having an affair with Karu no hitsugi no miko who was her older brother-uterine.
『古事記』には、允恭天皇皇女の軽大娘皇女（かるのおおいらつめ）の別名とし、同母兄である木梨軽皇子（かるのひつぎのみこ）と情を通じるタブーを犯す。