Transmigrate as Li Chengqian? I Quit Being Crown Prince

[A dad who pushes his kid to excel, a mother who died young, combative brothers, and a gentle woman] A brilliant civil engineering student from a top 985 university in the 21st century accidentally transmigrates into Li Chengqian, the deposed crown prince of the Tang Dynasty. Knowing history, he sees the predicament he’s in and decides to give up trying. He just wants to enjoy life, but fate keeps pushing him forward, until that day, when the long-awaited System and the family from his past life arrive.