Parent Trap
Status
Summary
(mAU) What are the odds of identical twins who don't know each other dating identical twins who live together? Probably pretty low, but that's the situation these four find themselves in. Past traumas and current secrets may make things more complicated than a simple, unexpected reunion. Hiccup/Haden/Astrid/Lillian in various configurations (warning for incest Murderer Hiccup)