One genre of anime that gets brought up a lot is "sudden girlfriend appearance" or "sudden fiance appearance." What are these shows really about? Sudden girlfriend appearance anime are almost always about a protagonist who has the love of his life show up out of nowhere. Some popular examples of "girlfriend out of nowhere" anime include Tenchi Muyo! Ryo-Ohki, Chobits, and Sekirei. There's also My Bride is a Mermaid, which has a hilarious premise- a teenage boy is forced to marry a mermaid whose family is in the Yakuza. Only in anime right? Vote up your favorite "sudden girlfriend appearance" anime below, or simply use this list as a guide to find some great new anime.