Pharaoh’s First Favorite Queen

In order to study the history of ancient Egypt, Mi Hiyao, the future beast trainer, returned to 3100 BC, and replaced the identity of the future wife of Pharaoh. Butterfly effect, a little change, everything in the future may no longer exist, so how should Mi Xiyao choose? There is also Pharaoh, who knows she is a fake, why is he so spoiled?