The Otherworldly Porter

Liu Hou, a man riddled with cancer, gains the ability to travel between another world and his own through a stroke of luck. With his daily-refreshing abilities and exceptional natural talent, Liu Hou saves the other world after its apocalypse and helps his own world prepare for the apocalypse to come, ultimately embarking on a path to invincibility.

Is our world weak? We'll pile up mountains of supplies and cutting-edge tech to crush the monstrous beasts.

Is the other world weak? How about a taste of the Shameful Iron Fist?