The Day Asu Cried and the World Turned Upside Down

Asu is a girl who loves to sing. She is a next-generation virtual singer who came from SINSEKAI, a world different from KAMITSUBAKI. Her sense of rhythm is genius-level, and her body moves before she thinks. She is innocent and bright like the sun, bringing light to those around her. But one day, Asu learns the truth. Her best friend, the one she can never forget, is fated to disappear soon. On the day of a special live that connects SINSEKAI and the real world, that girl will vanish from the w