About a century ago, “Divine Tribulation” invaded reality, unleashing countless demons, monsters, and magical beasts. Humanity was forced into a survival system of “Awakening → Class Advancement → Killing Monsters and Leveling Up.” Death has no universal resurrection system. Only a very small number of healing-class specialists possess the limited ability to keep people alive on the battlefield. The calamity also progresses alongside the release of “expansions.” The preview for the third expansion announces that, ten years later, [Demon God Revival] will arrive. The strongest warriors are ranked by the number of times they have advanced their classes, while the highest-level guardians are known as “Celestial Venerables.” Yet humanity as a whole still suffers from a severe shortage of high-level experts.
Xiao Heng regressed to a few days before starting college, carrying the "Otherworld Management System" cheat inside him; by subjugating and slaying otherworld creatures, he can earn system rewards to exchange for abilities or items. With this system cheat, Xiao Heng embarks on a path of counterattack—rising from a useless loser unable to awaken into an admired genius, a hidden powerhouse, and a master of alchemy and forging... Step by step, he slays monsters, makes money, and levels up, ultimately unraveling the mystery behind the overlap and collapse of this world and the otherworld...
Galahad is an elite mage serving in the Intelligence Bureau. For political reasons, he is practically sold off to become the live-in son-in-law of the Northern Grand Duke. The ice-cold Grand Duke’s daughter is actually the “key to defeating the Demon King and saving the world.” Determined to win her heart, Galahad approaches her the only way he knows how—with his usual logic-defying madness and unstoppable drive. There’s just one problem: she’s a Swordmaster who burns mana. For a mage like Galahad, even holding her hand means enduring excruciating pain that shoots through his entire body... “I want to touch her again. Next time, for a little longer—.”