Short summary: Charles Darwin releases the 72 demons of the Ars Goetia from Hell and now wants them back in there after realizing that adding foreign species to the environment is a big no-no.
Previous chapters: https://desuarchive.org/a/thread/280719895/#280719895
Currently, two of Darwin's nakama after fighting the 69th Pillar, Decarabia the Wishgranter.