Diplomacy is a story written by Kougyoku and illustrated by Prosodi. It was published in 2012 in Issue 39 (theme: sword and sorcery) and can be found at s2b2.livejournal.com/225324.html, shousetsubangbang.com/mirror/diplomacy and (without the illustrations) at archiveofourown.org/works/744507
Cyril Beck, despite knowing very little about Elves, somehow finds himself assigned to undertake negotiations at the Elvish Embassy.
Historical fantasy fiction set in 1939, just before the outbreak of World War II. A young civil servant in Britain's War Office is tasked with persuading the Elvish Ambassador that the Elves should assist Britain in the upcoming war against Germany.
A prequel to this story, called Fyrdgesteallan, was published online in 2014 and can be read on AO3: archiveofourown.org/works/1620056
- fail-fandomanon.dreamwidth.org: "Set in a pre-WWII AU Britain. A young English diplomat tries to persuade the Elvish ambassador that Aelfland must join in the fight against Germany. Great worldbuilding. (best story of this issue imo)"
- delicious.com: "The UK requests the help of the Elvish in the second World War. Great worldbuilding and very interesting story!"