The End of the World: I Didn't Know I Was the Black King

Traveling through time and becoming a template of a protagonist whose parents both died and whose childhood sweetheart is by his side, he doesn't give any of the protagonist's abilities! Eighteen years later, when the city was suddenly besieged and besieged, tell me that I am the strongest Black King among the Dragon Kings? Then I am not a Thomas who spins around and takes off into the sky, then holds the sun and moon in my hands to pick up the stars. There is no dragon like me in the world! What? All the dragons, dragons, grandsons, and dragon-blooded monsters are going to hunt me down? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.