A very nice manga. To begin and despite what most say, Mitsuhara is not a eldrich horror. Despite her monster appearance, she has human emotions and wants to become more human, something that Lovecraft did not intend when he write his eldrich horrors. That being said, some of the other villians in this series are eldrich horrors, as their motivations, desires and drivers are beyond the comprehension of humans. That feeling of being subsumed by an incomprehensible being did appear multiple times throughout and I did enjoy it.
The main appeal with this manga is the shota and monster girl elements. I dislike shota, but dig monster girl, specifically seeing this all-powerful being looking towards the male lead for romance and guidance. In that regard this manga did brilliantly, the romance being established fairly quickly and complimenting the other story arcs rather than serving as a plot driver itself. The ending was some quick, but I'm fine with this as all the important characters got resolutions to their arcs. It also didn't feel long, a trap other manga unfortunately falls into, so this story has a strong ending. An enjoyable read overall.
8/10.