Genre: Porn / Romance
Warnings: Mutual masturbation, exhibitionism
Word count: 1111
Summary: Derek has a request for Stiles.
A/N: Wrote this a looooooong time ago and forgot to post it. @_@ Written for the you know they are mates tumblr. Inspirational gifs included at the end of the post. NSFW!
Derek watches as Stiles pulls his shirt off...