This will probably be a rather unique thread around here.
To start us off, and while it's odd to mention this, believe me this is relevant... I've been playing a game called Fire Emblem Fates. It's an amazing game by the way. You can marry people in that game, but the canon pairing is actually between your cousin. You never grow up with her, but you end up growing very close. She never tells you you're related, but you find out in one of the versions. There are three versions: Birthright, C