A Knight of Justice Would Never Steal a Bride

[System + villain + reincarnation + multiple races + dark knight] Also known as The Dark Knight Isn’t That Evil After All After the System awakens Su Yu’s consciousness, the influence of the previous owner of his body, Clyde, leads him to fulfill Clyde’s dying wish. He takes back the princess who was given away in marriage, but the princess believes he is Clyde himself. Soon, both kingdoms are hunting him, and the church has put a bounty on his head. Without realizing it, he gets played by the System into becoming a villain. He even joins the Chosen One’s party and takes away his fiancée.