What is the devil?
I believe many people will answer that the devil is a creature that harms the human world. Often the most bizarre and harmful people to humans are demons.
And now there is a legend circulating in the world, that is, 'Whoever wins the piano and the demon will win the world. '
The piano demon is the nightmare in the world now, and he is also the savior.
In order to fight for her, a bloody storm is bound to happen...
And what really brings her happiness is the gentle man, the sunny and lovely boy, or the cold and evil man...