My Son-In-Law Is An Immortal

An elixir factory worker dies in a ridiculous way and wakes up inside the body of an ordinary man who is treated as the useless son-in-law of a struggling family. He has endured years of humiliation under their roof. This time, however, he is not the weakling he appears to be, because he carries the memory of centuries spent cultivating his power. The tension rises as he prepares to reshape the fortunes of everyone who once looked down on him.