An ordinary high school sophomore art student inexplicably entered a strange world after a competition, where there was a piano, a stage, and... A patient? ?
What is hidden behind the [Ruins Domain]?
What is the essence of [Supernatural]?
What kind of path will a seventeen-year-old boy embark on?
On the grassland, a red sun divides the sky into morning and evening halves, and a white piano is placed among the green grass.
In the morning and dusk, the sound of the piano sounds...
"Dear 'listeners',
"Performance in the Morning and Dusk
"Start now"