Good Morning, My Lord!

One day, you open a book titled Good Morning, My Lord! Suddenly, time and space shift, and you become the protagonist of the book.

This book is also known as:

[I'm clearly weak, so why don't they dare defy me?]

[Enjoy myself first, then travel through time and space to work for myself]

[After living in fear for over a decade, the lord turns out to be me?]