Deep Insanity Nirvana

One Antarctica, a colossal cavity dubbed Asylum is uncovered. At the same time, an enigmatic ailment called Randolph Syndrome emerges and puts people in a coma worldwide. Governments send teams to Asylum to investigate if it's the root of this epidemic, but none return alive. Sergiu Sol, an individual with rare immunity to the syndrome, and all-purpose Hildegard Olympiada Yamada of Antarctica team up to explore the hole without a map. However, there's a twist. What causes the coma-inducing disease, and what exactly is Asylum? It's time to delve into the abyss and go mad.