She's Blue, da-ba-dee...
Oh my gods, Emmy, you can't just ask someone why they're blue!
Claire mentioned something pretty relevant to the worldbuilding. Genetic manipulation is the more in vogue method of enhancement in this world, at this time.
Edit 2/15/24: I've been sick all week, and don't have next week's comics ready to post. I'm going to take a couple days to try and recover. There will probably not be a comic on Monday, but there should be one next Thursday. Sorry about that.