These days, wives deliver to their door by themselves

With the player template of MC, Du Wei was reincarnated in the body of a nobleman with a bad personality in another world.
His father is the strongest dragon knight in the empire, and his mother is the eldest princess.
Grandpa is the Grand Marshal of the Empire, and Grandma is the Dean of the Imperial College.
The power at home can be described as monstrous, what is a perfect start, this is a perfect start!
Does this start require him to work hard?
No, he has to work hard!