Reborn as the eldest son of the Duke in ancient china with Minecraft system

Jin was a normal guy , who liked to play video games, was killed by his girlfriend and stepbrother for his grandmas land deed. To be reborn in ancient times in china as the eldest son of the grand duke family, but was mistreated by the family as they were more devoted to the adopted son. Resulting in him being killed and reborn him his place.

Not to mention he finds out his marriage to the emperor's daughter was revoked and was exiled out of the capital into a once prosperous and populated city to be a ruined, desolate and abandoned one, after the war .

Leading to nobody wanting it as the land was badly damaged and unsuitable to farm on. But for Jin who has taken over the guys body with the same name to not feel depressed, but extremely happy.