Filling Sean's 'Stocking'

*Warning: Half-shifted sex as punishment* As Winter's Moon draws near, Sean and his werewolf boyfriend, Ethan, meet up to exchange stockings. Sean thinks he's got the biggest surprise—no wolf wants to receive a collar. Or dog tags. Or a can of flea spray. Ethan's going to get so mad. Unbeknownst to him, Ethan has a few plans up HIS stocking. Big plans. Thick enough to make Sean howl. HFN, 4k words