Tuesday, the daughter of a well-to-do family from Hershell City, runs away from home and comes to Alba City. Her dream is to become a musician. Carole, a girl who was raised in orphanages, has just been fired from her part-time job in Alba City. Her dream is also to become a musician. Carole's street performance captures Tuesday's heart and brings the two girls together. Carole invites Tuesday to her apartment, where they discuss their upbringings. This marks the beginning of the tale of the two girls who become the driving force behind the Miraculous 7 Minutes.

The runaway Tuesday ends up staying at Carole's apartment, and the girls begin their life together. That night, Carole mentions that she would like to play the song they created together on a proper piano. The grand piano in the Mars Immigration Memorial Hall comes to mind. Meanwhile, another girl is planning her debut in Alba City—the model Angela. She takes her first step as a singer under the guidance of Tao, the greatest contemporary music producer on Mars.

The self-proclaimed "ace manager" Gus appears before Carole and Tuesday. He acknowledges that the girls have talent and demands to be their manager. So, how to sell them to the public? Gus' ideas are all old-fashioned. However, their acquaintance, the AI programmer Roddy, comes up with the idea of featuring them on a famous DJ's show. Carole and Tuesday make a direct sales call to the super-popular DJ Ertegun...