You were walking down the road to go to a convenience store, late at night at 3 am, sleepy because you were reading a webnovel; when a car hits you and sends you flying in the air. The next thing you knew, you found yourself inside the novel you last read.

In a world full of constant dungeons appearing every second, and Hunters assigned by the government, Jaehyun is your typical cold, overpowered protagonist but earlier in the chapters of the story, he wasn't as powerful as later on.