As a wanderer from an ancient kingdom, you lead a relaxed daily life in a foreign land alongside your childhood friends, Yan Yuan Shana and Toriba Yūshio. However, you begin to frequently dream of a pure white world. As time passes, these dreams start to reflect reality, and the peaceful daily life gradually gives way to an intense and stirring melody. Depending on your choices, the truth of the world will slowly unveil itself.

[From Steam]