Shining Agency's idol group STARISH, composer Nanami Haruka, and senior idol group QUARTET NIGHT have been making steady progress expanding their field of activity. In the entertainment world, artists and idols are beginning to enter the selection process to become the opening act of "Super Star Sports," also known as Triple S.

When Shining refuses to enter STARISH in the Triple S concert, the members of STARISH trust in their potential and agree to work harder than they ever have before. Meanwhile, STARISH and NIGHT QUARTET head to a resort to film for a variety TV show.

Shining puts together the Cross-Unit Project for STARISH. The first phase features a rock musical starring Otoya and Natsuki. Though they're both overflowing with enthusiasm, they're given unexpected roles. As they dive into rehearsal to master their roles, they find their enthusiasm gets them nowhere...

For Cross-Unit Project phase two, Ren, Syo, and Cecil are tasked with producing a smart phone commercial. However, all three insist on their own idea and can't manage to agree. Haruka is worried about the boys, and the deadline approaches ruthlessly...

Haruka's new job is composing a new song for Camus, who is performing at the opening ceremony of the Shining Tower. To learn more about him, Haruka asks to accompany Camus to work, and he agrees on one condition. Will Haruka be able to write a song to satisfy Camus, who is perfect in every way...?!

While working on his new solo song, Ranmaru increasingly devotes himself to his work with QUARTET NIGHT. However, Haruka and her friends sense Ranmaru is pushing himself too hard. Meanwhile, as Ranmaru gazes from a distance at the construction of the new Triple S stadium, nostalgic and bittersweet memories are on his mind...

Masato and Tokiya's job for the final phase of the Cross-Unit Project is performing a new song live on an influential music program. With the hopes of STARISH and the entire Shining Agency riding on their shoulders, they tell Haruka they will write the song's lyrics first. However, things don't go as well as they hoped, and they find themselves getting stuck...

Reiji, a man capable of completing any job flawlessly, is the Shining Agency's busiest idol. Haruka visits him between jobs to hold meetings with him. As they spend time alone together in his car and under gazebos at night, Haruka draws closer to his true nature hidden behind his smile...

As QUARTET NIGHT prepares for the Triple S opening artist screening concert, they head off on a trip with Haruka to work on their song. Shining Saotome's orders are to create a "number one song that will make them shine." However, the members of QUARTET NIGHT have never worked with a songwriter to compose a song before. With no precedent to lean on, what kind of song with they produce...?

The Cross-Unit Projects concludes with great success. Though the international focus on them is growing, STARISH still hasn't received an answer regarding whether or not they'll be entered. When they hear the high quality of QUARTET NIGHT's new song, the anxiety they feel without Haruka peaks. However, the time they've spent together since the birth of STARISH leads them to a certain conclusion.

When Shining acknowledges STARISH's revolution when they spur QUARTET NIGHT into action, he allows them to enter the Triple S opening artist screening concert. Viewing STARISH as their greatest rivals, QUARTET NIGHT makes a request to Haruka in preparation for the concert.

After QUARTET NIGHT's masterful performance, STARISH rushes onto the stage they've dreamed of performing on to challenge their rivals and deliver their voices to the world. Together the idol groups STARISH and QUARTET NIGHT have started a revolution of love, but an unexpected development waits for them in the final moments of the concert...