The Beautiful West
The Beautiful West is a story written by Yamanashi Moe and illustrated by serenity_winner. It ran in Issue 31 at http://s2b2.livejournal.com/177918.html, and is mirrored at http://www.shousetsubangbang.com/mirror/the-beautiful-west/.
From the author: "And this isn’t remotely scary or really even Halloweeny, but it does have mummies, and they are generally associated with spookiness."
From pinboard.in: "Ancient Egypt, mummies, priests. Amethotep/User."