Gekijouban Deemo_ Sakura no Oto - Anata no Kanadeta Oto ga, Ima mo Hibiku (anime) - Odcinek 1,, Shinden

Alice and her friends, including a stuffed cat named Me-Right and a character named Demo, search for sheet music to help a magical music tree grow. They discover that the tree's growth is tied to piano music and that a mysterious masked woman is also collecting the music. Alice hopes to find a way home through a large door, but it requires a key.