Warlords of the Republic: Did My Parents Transmigrate Here?

Guān Wu transmigrates to 1931, a time when the nation lies in ruin and its people have been driven from their homes. But to his surprise, he has transmigrated as the only son of the largest warlord in the north. After a series of tests, however, he realizes that his father and mother seem to be transmigrators too, and not just any transmigrators, but the very same father and mother he had before transmigrating. And so begins the story of a whole family going to war together.