Manga Adventure Series. By Day, Meimi Haneoka Is An Ordinary Student At St Paulia's Catholic School, But By Night She Is The Mysterious Thief Saint Tail Under The Guidance Of Her Best Friend Seira Mimori, A Nun In Training. Meimi Steals Back Treasures Unjustly Taken From The Innocent, While Avioding The Clutches Of The Junior Detective Asuka - Her Classmate.