House of the dragon: The Dragon King

This is a story about a man who meant his end earlier then he was supposed to as as an apology he will be reincarnated into House of the Dragon, Watch as he uses his powers to fight against people who try to cause a civil war in House Targaryen (I am new to House of the dragon and will be basing most of my knowledge off the TV Show) MC will be the Crown Prince of the Targaryen household but there will still be the greens and the blacks.