Title: Random numbers (5/?)
Type: crossover (Castle/Avengers)
Genre: crack-ish drama with elements of fluff and family and romance
Pairings: Castle/Beckett (still at UST stage) and Clint/Natasha.
Characters: everyone from Castle, everyone from Avengers.
Spoilers: the Avengers movie, season 4 of Castle
Summary: so I was answering questions in a meme with ten random characters from stuff that I like and one question was "#2 and #6 have a child together. What's #7s reaction to this fact?" So, there's a kid, his mom is a badass lady cop, his dad is a badass archer, and #7 in the meme was Kevin Ryan.

Chapter one
Chapter two
Chapter three
Chapter four

Chapter five (in which people are equal parts brave and worried. And there is a meeting we've been waiting for.)