Webnovel has 61 chapters but has been on hiatus since last year. English translation is only up to chapter 8 and last update on that was last August.
Amazon lists the light novel version ongoing with 2 volumes out currently.
@fsadddfsa Author's pixiv; https://www.pixiv.net/en/users/17446767
It has chapters 1&2, you could use those to replace the current ones that have watermarks. Chapters 3&4 doesn't seem to be there though...
So, it's like in Utawarerumono, humans created an environment that was inhospitable to them(organic contamination), and thus had to create artificial beings to inhabit it when efforts to halt the contamination failed...
@KaiserZ Novelupdates link; https://www.novelupdates.com/series/shijou-saikyou-orc-san-no-tanoshii-tanetsuke-harem-tzukuri/
It(light novel) has 4 volumes currently, Bakaperverts have translated the first 2 and are almost finished with the 3rd. I can't find a webnovel for it or perhaps it...
What I can find is the novel started in 2014 on syosetu and is still ongoing. There's 6 volumes listed on amazon, released between 2014-2017, I assume it's the webnovel reworked into light novel(unless it's this manga adaptation?).
Can't find the manga though, so no idea if this adaptation was...