Hoshi Hajime, who as a child dominated the world as the main vocalist of the popular group Quartet Star. However, on the day of the final performance of their first tour at the height of their popularity, Hoshi is unable to sing under the spotlight. Ten years after the incident known as "5 minutes of silence," a girl comes to Hoshi, who has been leading a dull life, and the story of his music begins.

Note: Officially started in Aokishi issue no.12A on February 20, 2023.