Magic Knight Rayearth

Three junior high school girls are transported from a field trip at Tokyo Tower to Cefiro, a world of monsters and magic, where Princess Emeraude informs them that she believes they are the Magic Knights foretold by legend and that she needs their help. Now, Umi, Hikaru, and Fuu, with the help of a strange bunny creature named Mokona, must find a way to defeat the sinister Lord Zagato and save Princess Emeraude's realm.