The Experiment That Changed Everything

John walks in after work to find Sherlock in a rather compromising position. And Sherlock needs his help - for an "experiment." Right. Luckily, John swears he's not gay . . .

(Part of my "John and Sherlock's Kinky First Times" series of shorts, all revolving around the same basic theme of "John and Sherlock get sexy for the first time and also discover some kinky stuff about each other.")