From left to right we have Adolfine, Erika, and Svetlana.

I don't have much to say about this one, other than the fact it is very well done by the artists Erica! user/4759263 "»":[/artists?search%5Burl_matches%5D=https%3A%2F%2Fwww.pixiv.net%2Fusers%2F4759263]

On a side note, despite appearing docile and happy, I'm certain the one on the far right is plotting something suspicious. All in the effort to upset the one in the middle. 😋