nanami said: I'm not talking about the one behind the "Do not cross" tape. She's already listed. I'm talking about the blonde twintailed girl.
I have never seen any of the anime she's from (so someone else may be better at confirming), but I think that is supposed to be Dark Lemonade from Yes! Precure 5 who is voiced by Kugimiya. I did a Pixiv search on the character's name and the design seems to match.