Over half a century ago, mysterious entities called "Huges" started appearing out of nowhere and waged war against mankind. Their unmatched might have almost drove humanity to extinction, they almost lost their hope until young girls with unique abilities started emerging, who were now dubbed as "Lilies". . . . . Skip to the current day, Shizen Miko, an overly shy yet skilled Lily, transferred to Yurigaoka Girl's Academy after she graduated from middle school at Odaiba Girls School with the purpose of overcoming her shyness and possibly display her real capabilities! However... it seems like that the road she needs to tread so she can reach her goal will be very looooong because of the attentions she have gained from the famous Lilies of Yurigaoka!? Will she get to overcome her weakness and showcase her real abilities, or will she pass out in the spot because of the attentions that the famous Lilies attending Yurigaoka are giving her?!