Knockin' on the Dungeon Door

Synopsis

One day, my house got connected to a dungeon. It's dangerous outside because of the monsters, but in order to survive, I have to clear the dungeon within the time limit!

"I don't want to die. I want to survive."

Kim HyunBok has to try and clear the dungeon by himself now that all the other explorers have died. Having awakened his powers, he starts taming monsters. With the skeletons Chris, Kai, and Kessle who have regained their memories, our protagonist's life-risking adventure to clear the dungeon starts now!