Datang: You Can't Imagine the Happiness of the Prince

Li Kuan and Li Chengqian are compatriots of the same mother.
But at birth, he was adopted to Li Shimin's dead fifth brother,
But unfortunately died early.
"Report to Your Majesty,
Concubine Wan sneaked out of the palace to visit a [-]-year-old boy in Lantian County.
That boy's name is Wan Kuan! "
ps: (with missing chapters)