Xtum

Oleg Orlov is a genius who has risen right to the top with the help of his trade. He became a new important figure in the established world. But the stupid mistake of the employees sent the young guy to another world, that's just... Only he woke up in a place where his life would hang by a thread at every step. The modern world has sunk into oblivion, leaving behind only a huge amount of knowledge. But with the system, Oleg has a chance to survive and not only...