I should've included her into that previous BFF pack, but only remembered in hindsight. She's only shown for a few frames right before the Misuzu-Toshimi scene. A nameless character that only exists to show the chaos happening in that school (same as the BFF girls who at least had a name). I think she is called "Owww!" Girl on a wiki or something. Despite being a nameless background character I actually dropped the anime on my first attempt because of her, I just couldn't agree to anyone wearing bloomers dying back then. In a hindsight, this girl must have negative amount of brain cells, because she managed to get grabbed by two slow and blind zombies on an open field... then again, the moment anyone has brain cells that easymode zombie apocalypse falls apart.

Sports Field Victim: SZVko, brown hair, short hair, brown eyes, medium breasts