On the bottom of Mount Astra, near the falls surrounded by spiky rock formation there's a little house. The house is said to be the home of a retired pianist and said that the pianist is a crazy woman that is forced to retired and every night, people who's passing by always hear a music even if they are far from the pianist house, some said it is because of obsession, others said the pianist might connected the piano to a device.

The people living at the bottom of Mount Astra gathered at once a year at the Astral Circle to celebrate their harvest, they also allows the tourist to join the celebration but extremely prohibited to go to the falls because the spiky rock formation may cause harm. And every single person who goes to the falls always end up injured.

Mount Astra is gifted for its rich soil and government are trying to ruin it. Probably, it can be ruin by those who hold powers but the chief of Mount Astra and the local government signed a contract that cannot be change, except if someone plots an evil act,

and here,

the story...

will begin.