Speak with the old lady to start the mission. This level is a glorified rhythm game.
Your task is to press the buttons at the right time. Red for the right button, Blue for the Left Button, and if 2 Purple Buttons show up, press both Blue and Red at the same time. Do this for three rounds and enjoy the Hammelin Parade. At the end you will obtain a Lv 30 Two-Handed Sword: Lunar Eclipse 4 star.
A segment of the level