Between Two Worlds: Toiling in Another World, Living It Up in the City

Also known as: “A Timid Wage Slave in Another World, a God of Wealth in the City” Dual-world travel + alien cutting-edge technology + urban setting + power fantasy. The protagonist doesn't suffer, and the good times never stop. The protagonist gains access to a pocket dimension, allowing him to travel between the city and another world. The other world has all kinds of alien technology, including limb regeneration and genetic enhancement. How could I not get rich? Mai Feng starts using alien technology to rise to the top in the city, taking control of its wealth and shaping its future...