After I Transmigrated, I Helped the Original Host's Family Reunite from the Start

[Cautious and Cunning] + [Merciless, Few Words] + [No Female Lead] After transmigrating to a parallel world, Chen Du discovers that it is exactly like his own: the history, poetry, entertainment, and games, everything. Then he hears a ding... Chen Du: “Thank goodness. I thought I was having another episode...”