The Film Centers On Asuna, A Young Girl Who Spends Her Solitary Days Listening To The Mysterious Music Emanating From The Crystal Radio She Received From Her Late Father As A Memento. One Day While Walking Home She Is Attacked By A Fearsome Monster And Saved Mysterious Boy Named Shun. However, Shun Disappears And Asuna Embarks On A Journey Of Adventure To The Land Of Agartha With Her Teacher Mr. Morisaki To Meet A Shun Again. Through Her Journey She Comes To Know The Cruelty And Beauty Of The World, As Well As Loss.