[Alternate history + Tang Dynasty + recluse + resourceful + easygoing daily life]
He transmigrates to the Tang Dynasty and opens a little tavern.
The lame crown prince comes by every day to seek his advice.
“Sir, I'm so frustrated. Those four old men are trying to catch me out and use it to win favor!”
“Sir, can you really heal my leg?”
“Sir, why won't you let me befriend Hou Junji? Is he really going to rebel?”
“Sir, there's a girl named Meiniang, I think her surname is Wu...”
Li Fan: “Huh? Hurry up and sneak her into my tavern. I need to give her a proper lesson!”
Then one day, Li Shimin suddenly summons him.
“Li Fan, would you like to be the next Heavenly Qaghan?”
Li Fan: “...”
This book is very good to read as a refreshing article