It has been a year and a half since Nanami Haruka graduated from Saotome Shining's performing arts school and signed with Shining Studios. The career has not broken through yet, and the contract has a hard deadline: produce something brilliant before the end of year two, or it terminates. Thirteen princes stand ready to help, each presenting a different challenge. With the senpai idols, the goal is a song for the music festival. With the former teachers, it is navigating a relationship that is no longer what it was. With the seven graduating classmates, it is writing something for all seven of them — while knowing that the final creative partner is only one. Which prince is yours?