I Am A Hero Long Time Ago: Now, How to live like a Normal Person? OP

Wang Lei got reincarnated as a young master of a weak clan who got murdered by the Demon Lord.
Wang Lei with the hatred and thirst for revenge that he got inherited from the former owner of the body decided to start a journey towards the top and in the end killed the Demon Lord.
Now that the demon lord was dead and the revenge was finished, he finally wanted to settle down...
But now what should he do now? He was now a hero who defeated the enemy and now the story should be finished... But it seemed to be just the start... Then I'll just live like a normal! But can I?