Making Out Is Hard To Do [standalone, pg]
Disclaimer: Not mine.
Summary: Merlin knows how it works. The beautiful boys end up with the beautiful girls and he ends up in the library stressing over his history essays. - In which Gwaine sells blowjobs for beer money and his newest customer is someone Merlin has a keen interest in. If only Merlin wasn't so blind to Arthur's actual intentions.
Read on AO3