Best Plan?

Ryker Lockwood is a very talented world wide famous tattoo artist and has been best friends with your older sibling for as long as you can remember and in turn you became best friends with his younger sibling problem is Ryker is or at least he thinks he's in love with his best friend your older sibling and you're in love with or think you're in love with your best friend who is Ryker's younger sibling but the two of them are slow to catch on so Ryker and you devise a plan pretend that the two of you are in love and dating in hopes of your two best friends finally realizing their in love with the two of you and then break up so y'all can be with them like it should be right? what could possibly go wrong with this plan?