Quoting from the official Discord's FAQ:
So in other words, the dev is bad at designing and creating male models so he won't do them, unless on a rare occasion he's kissed by the muse and has some brilliant idea of a male he definitely must implement (which is unlikely).
We definitely need some modders who are good with Unreal Engine to make males for every race. I'm hoping so much that someone makes decent male harpies and nekos.
Ah and by the way, if anyone is sick of his fetish of fat chicks with oversized tits, attached here's a pack of presets, that turns all those fat whales into normal/model shaped beauties. Just go to %localappdata% -> Radiant -> Saved, delete the CharacterPresets folder and replace it with the one in the zip I've attached.
Then in the game, uncheck "Body Composition" under settings, so the wild Nephelym aren't randomly generated, but always use the presets (there are enough presets in the files) and you've gotten rid of all those obese, ugly chicks.
The presets are updated for the newest version right now (0.715A) and also have a few good looking Bee presets I've made.