Hamelin no Violin Hiki: The Movie

While on their quest to stop the Demon King, the violinist Hamel, the pianist Raiel, the magess Flute and the female warrior Sizer stop in a small kingdom and destroy a rampaging monster. While giving the four a heroes' welcome, the king and queen explain that their daughter has been kidnapped by a monster living in a nearby castle. They agree to go and rescue the hostage princess and defeat the monster. However, the enemy's castle is heavily guarded... (Source: ANN)The Kingdom of Antifarnia is in horrible state of turmoil as they are being attacked by the undead soldiers of the Mazoku. The Kingdoms army is easily taken down by the foes and the King seems to be in doubt of their survival. He then finds the Queen dragging a -very large- sword down the castle stairs and tries to stop her. She states that their princess must be saved and then is swept up by the Demons. The Queen valiantly demands that her daughter be returned even if in exchange for her and and then suddenly the sound of a violin is heard in the distance.