If the ultimate truth of the universe is “madness,” then is staying sane or embracing madness the only way to survive? A physics prodigy who firmly believes in science is drawn into an infinite-flow universe built on the logic of the Cthulhu Mythos. Amid horrors beyond comprehension, he gradually discovers that the so-called “instances” are actually the endlessly reset “historical remnants” of ancient humanity’s failed war against the Outer Gods.