90% of this setting is made up.
If you are curious about the original story, please research on your own.(Futo already betrayed the Mononobe; she does not hate Kawakatsu.) ↓!! NOTICE !!↙ She sees him as a personal rival.← Person who killed Futo's brother (Moriya)← Marries Tojiko no Iratsume in the future↓ Umako and Futohime's child↓ Married to Futo's sister (Futohime)Mononobe no FutoMenreikiTokoyo no KamiMaiSatonoTojiko no IratsumeHata no KawakatsuOoube no OoSoga no UmakoToyosatomimi no Miko皇子 rather than 神子; Prince Toyosatomimi