Kyoya Minami harbors a deep ambition: to become a member of the music collective, SI-VIS. However, his path is unexpectedly diverted when he becomes entangled with a perplexing phenomenon known as Mirage.

The clash with the Mirage ended with Yosuke's death, leaving Kyoya utterly heartbroken. Soji urged him to return to his hometown.

Kyoya found himself perpetually striving to match the heights of his peers. As the curtain prepared to rise on his debut, a shimmering distortion filled the air – the Mirage.

Yet, amidst the complexities of his world, Kyoya maintains a life of quiet satisfaction. Then, one day, Rui seeks him out, his voice thick with desperation.

The initial atmosphere at SI-VIS's encampment was strained, a quiet discomfort hanging in the air. Gradually, however, a tentative ease began to develop, and the group started to reveal themselves. It was during this shift that Siren presen…

SI-VIS intends to respond to the monumental impact of the Mirage with a concert celebrating their new album.

During a date, Kyoya extends an invitation to Nagi for the school festival. It is then that we learn of June's younger brother.

At the festival, Kyoya, μ, and Soji vie for points. Hearing June’s voice stirs unease within Krios, prompting him to reconsider his choices.

A mirage has manifested at Saegusa Academy. Yet, for June, the revelation of XENOS's true nature only deepens her resentment.

Rui commences Nagi's training, a decision that provokes displeasure in Kyoya upon learning of the boy’s intended enrollment as a new SI-VIS member.

For vacation, SI-VIS travels to an island belonging to Seina. There, Kyoya discovers writings that evoke memories of Yosuke.

A shimmering mirage materialized in Kyoya’s hometown, and Lukos’ assault pushed SI-VIS to the brink.

With Siren gone, SI-VIS begins their training. Unseen, a mysterious figure observes them from a distance.