One day, Kitaro receives a letter says "Kitaro, help me!" that sender is Hana Kazamatsuri. According to the letter, there is something queer going on around her these days. Kitaro and his fellows hasten to her rescue, but before reaching, she get dragged into a mirror.....Coincidentally, huge evil specter Yatonokami is just about to arise. Kitaro finds out that the key to arise is Hana, so he fights to save her and Japan......