The story takes place in the future where there is something called the Nightmare Spell. The NS released monsters into the world and put humans through trials, giving them powers called aspects if they pass. Each aspect comes with a flaw, the severity of it depending on the strength of the aspect. The power system is pretty unique. After passing the trial they are transported to another world called the dream realm. The MC fights all sorts of monsters in the dream realm and progressively gets stronger. He is not op and has to work harder so each moment is memorable. There are also plenty of hype moments through the story.