Adventure of Rekka — a series by mosesD

A man is transported to a world of monstergirls. A very cynical genre savvy man, but he tries his best to be a good person regardless. He'll meet interesting people along his way as he tries to enjoy his otherworldly vacation. He finds an unexpected love, without much choice in the matter, and attempts to make the world a better place because of it. There will be violence, some gore, and a great deal of sexy women. This story is based loosely upon Monster Girl Encyclopaedia