Kiss Kiss Brains Brains
Kiss Kiss Brains Brains is a story written by Ogiwara Saki. It ran in Special Issue 6 at http://s2b2.livejournal.com/171395.html, and is mirrored at http://www.shousetsubangbang.com/mirror/kiss-kiss-brains-brains/.
From the author: "In which there are zombies and two high school girls who hunt them when they're not antagonizing each other."
From http://raveninthewind.dreamwidth.org/1120896.html: "Zoe the Zombie Killer, a Buffy-inspired Korean American teenager who's keeping her town safe from the zombie threat while dealing with high school, clueless parents, and an infuriatingly attractive rival zombie slayer."