Lin Ye, who traveled through time and became a humble son-in-law in a wasteland world, faced the dual crisis of starving to death and feeding zombies at the beginning. In times of despair, the [Wanjie Trading System] is activated! Swapping rags for food? Source crystal for magic? Knowledge in exchange for magical power? See how a scientist from the past life transformed into a doomsday villain, using interdimensional transactions to influence destiny in the ruins where alien beasts are rampant and people are unpredictable! Stockpile supplies, build bases, advance technology, cultivate superpowers, trade (flip) and trade (you) with the bosses of all worlds... From the ridiculed useless son-in-law to the doomsday emperor in charge of trade in all worlds. In this life, he will use transactions to write his own redemption myth under this broken starry sky!
