Youto, a high school student who was given a drone, tries it out and films himself crushing a goji-gegeji in the kitchen with a newspaper. However, Youto's house is unknowingly turned into a dungeon, and what he thought was a pest turns out to be a rare monster!　The video footage is distributed without permission due to the drone's settings, and shocks the world. Kuro, a drone that has become self-aware due to the dungeon's magical elements. The members of the dungeon corporation move in next door to prevent a war over Youto. Youto, unaware of this, continues to exterminate invasive insects today.