Question: why does iori hate kyo?
Answer: Why does Iori hate Kyo so much? It's an ancestral grudge that the Yagami have against the Kusanagi; the Yagami turned from the sacred pact to gain power from Orochi, and the Kusanagi didn't like that. ... He blames Kyo for forcing him to constantly enter KOF tournaments (by existing and being a Kusanagi.