The Grumpy Crane Pecks the System Online

Time Travel to the Good-For-Nothing Young Master of a Top Family.

I want to read a book like "The Great Emperor's Father Gives Too Much, and the System Is Not Accepting and Has Become Darkened". The protagonist travels back in time to the good-for-nothing young master of a top family. Top sects are also fine. There is an extremely protective and competitive system. I don't know what system the protagonist's family gives the protagonist