Yuuki Rito is your average high school student—awkward, shy, andhopeless when it comes to confessing his feelings to the girl of his dreams. Butone day, a beautiful woman suddenly materializes in his bathtub! Her name isLala Deviluke, an alien princess on the run from an intergalactic empire. AfterRito gets unwittingly engaged to Lala, he soon finds himself sucked into abattle for Lala’s affections, as alien suitors from across the galaxy viefor her hand in marriage. Rito’s troubles have only just begun!