QUARTET NIGHT and HEAVENS have finished their own brilliant performances, which leaves only STARISH. Will their performance match the passion of the other two groups? Who will be chosen to perform as the Triple S opening artist?
The emotions and hoeps of STARISH, QUARTET NIGHT, and HEAVENS are illuminated by a morning sun rising in a clear sky. As Haruka prays for similar things, the Decisive Concert is about to begin.
After reuniting in the sunflower field, STARISH successfully makes it to their live broadcast while becoming the talk of the town. With the Duet Project finished, STARISH and HEAVENS are set to start working towards the Decisive Concert. However, a plot to drive them towards despair is approaching.
Leaving behind a completed duet, Otoya disappears. Having been exposed to a side of Otoya they'd never known before through his voice, as the members of STARISH search for clues that will lead them to Otoya, they arrive at the truth behind his personal history.
Due to their inborn earnestness and similar backgrounds, Masato and Kira both sense how compatible they are with one another. However, while work on the song is going smoothly, Kira fears something is lacking. Meanwhile, Masato receives word from his family...
At their meeting for the Duet Project, Nagi's casual remark causes a sudden change in Natsuki's positive behavior. From Natsuki's words and past videos, Nagi realizes his secret...
The fourth duo of the Duet Project are Ren of STARISH and Van of HEAVENS who are also slated to play rivals in a TV drama. When Van begins aggressively pursuing Haruka, Ren heads straight into battle with his own passionate feelings hidden in his heart.
The third duo of the Duet Project are Cecil of STARISH and Shion of HEAVENS. Trying to follow up on Tokiya and Syo's success, Cecil aggressively approaches the project, but Shion closes off his heart more and more as though in response to Cecil's passion.
The second group of the Duet Project is Syo of STARISH and Yamato of HEAVENS. Syo is excited to sing a duet with Hyuga Ryuya's younger brother, but a powerful rivalry with his older brother surges through Yamato's heart.
With dreams of becoming a composer and someday writing a song for her favorite idol, Haruka enters the Saotome Academy, a prestigious performing arts school. If successful there, she’ll be able to join the Shining Agency after graduation. However, it won’t be so easy when Haruka is already surrounded by potential idols and composers. On top of that, her homeroom teacher is a current idol, the headmaster was a record-breaking singer, and the academy itself is a chaotic place where anything can happen. Which prince of song will be paired up with Haruka?! Uta no Prince Sama is an exciting, coming-of-age romantic comedy that will be like sweet music to your eyes and ears!