One Step Forward Is Forbidden Ground

【No harem, no invincibility, no System, no mindless plot, and no wish fulfillment. Enter at your own risk.】 That day, two halves of the world overlapped. That day, half of humanity died. And that day, he saw a whole new world: Earth was flat, and people crawled forward like dogs. Tear away the veil of mystery, and the unknown is the greatest terror of all!