to be specific on the isekai question, i was thinking of stuff like these
https://gamefaqs.gamespot.com/a/forum/3/371f2dea.jpg https://gamefaqs.gamespot.com/a/forum/d/d73c5d7f.jpg https://gamefaqs.gamespot.com/a/forum/0/06fb2a4a.jpg the matter of them still being human at some point was the obvious sticking point that made me curious