The title of Lena's controversial video leaves very little doubt as to its content: 'I let my best friend have sex with my boyfriend'. It's true; the YouTuber gave her blessing to this unusual social experiment.
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It was a very strange time together according to the three main protagonists, Lena, Adam and Emily, who described it as 'hot and embarrassing' in a video that's made a buzz. It's been viewed more than two million times.
Lena The Plug, who says she's 'open-minded sexually', recounted the threesome: 'It can be strange and problematic for your best friend to join you in love-making, but I trust Emily and we thought it might be fun.'
Ladies and gentlemen - there seems to be a new generation of YouTubers who really aren't afraid of anything!