'Twas the knight before Yuletide, and all through Camelot, not a creature was stirring, and Gwaine was hot (for which we'll blame Merlin...)
Title: 'Twas the Knight Before Yuletide
Pairing: Merlin/Gwaine (also Arthur/Gwen and Gaius/Alice, and other side pairings)
Rating: T (13+)
Genre: Romantic Comedy
Summary: In the fortnight leading up to Yuletide, Merlin learns some important lessons about friendship, drinking, Gaius' porridge, finding a lost sweetheart, mistletoe, and, most of all, love. Merlin/Gwaine set after Series 3. Mild language and sexual references.
Spoilers: Set after Series 3.
Read it here.