In the opening episode, aspiring singer Saori steps into the spotlight as part of the new pop trio Twinkle alongside her fellow members. Eager for their big debut, the group soon learns that success in the music business requires more than talent, as their manager arranges specialized training sessions for two of the performers. Saori must then meet with a key industry figure to win support for the band, drawing on lessons from her mother's own experiences navigating the same demanding path.