As a Transmigrator, I Absolutely Cannot Lose

A wage worker transmigrates back to the Warring States period, but history has changed in inexplicable ways. You want to make a life for yourself in this world, win the heart of a rich beauty, and reach the pinnacle of success. But the rule that "adulthood is never easy" holds true even in another world. Even as someone who transmigrated here, you aren't invincible. You must face heroes and schemers from the State of Chu, the Han dynasty, and across the entire otherworld, as well as even more terrifying inhuman beings...