He Who is the Ruler

"if I would have been him, what would happen to him, would he go the same thing as I did? Or......it had led to something better?"

"No matter what, you can't change what happened, so what if he would be in your position, it will go the same thing the only thing different is you who would be dead by now"

A story where a twin get separated due to royal rules of having only one heir.

With accidents happens, the twin who got separated will have to play pretend.