Great Tang: From the Start, I'm a Brat Who Reports My Own Father, Li Er

Li Tai, a shut-in from the 21st century, transmigrates into the heir of Prince of Qin Li Shimin.

Li Shimin is not favored, but Li Tai is deeply loved by Li Yuan.

"A ruler must act decisively when the moment calls for it."

"A ruler bears the burden of a vast realm and all the people under heaven."

"Being a ruler is the hardest thing of all."

"As for Father planning to rebel, Imperial Grandfather, my opinion is: kill my father!"