Letter Never Sent

It all began with a series of flirty anon messages in his inbox one day, which turned into something almost profound over time. A year after the first message was sent, Dean’s almost positive that he’s fallen hard for someone he’s never met, on Tumblr no less. He wants to tell this person how he feels, but there’s one problem. He’s been in love with his best friend Cas for years, and will need to get over him before he can truly move on.But what happens when things aren’t what they seem, and Dean meets “Angel” in person?