The V*rgin Hero Who Fought in the Dungeon for 20 Years Returned to the Surface Only to Find the Population of the World Has Dropped Drastically, with a Male-to-Female Ratio of 1:1000

Welcome to a World with a Gender Ratio of 1:1000! In the year 199X, labyrinths known as “Dungeons” appeared across the world, bringing forth countless monsters from within. Inside these dungeons, modern weapons ceased to function. The world’s military forces were on the losing side. In time of peril, Sirius, a self-proclaimed great sage from another world, emerged to save the world from the brink of destruction. Thanks to the divine blessings of a temple he had established, people awakened to magic and skills, which were only usable within dungeons. Those who wielded these powers became known as “Explorers.” In 2005, through the final operation, an Explorer party succeeded in defeating th...