The portals appeared without warning, tearing through the fabric of reality and opening gateways to unknown worlds. At first, humanity was confused and frightened by the strange phenomena, unsure of what to do or how to react. But as the portals began to break apart, unleashing a tide of monsters upon the world, it became clear that these were no mere curiosities.

But amidst the chaos and destruction, a glimmer of hope emerged. Some individuals began to "awaken," discovering that they possessed unique abilities and powers. They were given labels such as "warrior" and "mage," and organized into guilds to defend against the monsters and explore the portals.

Stolen content warning: this tale belongs on Royal Road. Report any occurrences elsewhere.

The portals led to dungeons of varying strengths, labeled from F to SSS, each presenting new challenges and opportunities for the "awakened" individuals. As they delved deeper into the dungeons, they uncovered treasures and secrets, and gained valuable experience and power.

With the help of the "awakened" individuals, humanity was able to reestablish order in the world. A new system was put in place, recognizing the value of the "awakeners" as a valuable resource for protecting and exploring the portals and dungeons. The portals and dungeons became a central part of society, shaping the economy and politics, as well as the daily lives of the people.