***Currently the novel is dropped since the author doesn't have more time to write.*** The story present the life of Jin, an 18 years old boy who doesn’t like humans. One day, he meets a demon and this meeting will change his life forever. He become a dungeon master together with the demon girl he met and together, they will strive to create the strongest dungeon. Jin and Iris (the demon girl) will work together to protect their lives as they create the best dungeon which will become a trial to humanity given by the gods.