Next Episode of SI-VIS: The Sound of Heroes is
Season 1 / Episode 18 and airs on 08 February 2026 00:30
SI-VIS is a co-ed music group, led by Yosuke, shaking up the global music scene with their unmatched vocals and performances. However, they are actually heroes in disguise, battling against mysterious forces threatening the world. They convert audience energy at live performances into combat power. Luckily, the battles appear to be ordinary concerts to the public, keeping their identity a secret.
Minami Kyoya aspires to join SI-VIS, a music group. But he gets caught up in a mysterious force, Mirage.
Yosuke dies in the battle with the Mirage, and Kyoya is devastated. Soji tells him to go back to his hometown.
Kyoya struggles to reach the other members' level. When his debut stage is about to start, the Mirage appears.
Despite everything, Kyoya leads a fulfilling school life. One day, Rui approaches Kyoya with a desperate plea.
SI-VIS's camp starts off awkward, but eventually, they start to open up. Then, Siren gives them a challenge.
SI-VIS plans to counter the Mirage of unprecedented scale with the new album release concert.
Kyoya invites Nagi to the school festival while on a date. Then, we learn about June's little brother.
Kyoya, μ, and Soji compete for points at the festival. Moved by June's voice, Krios questions his actions.
Rui begins to train Nagi, but Kyoya is upset to learn that Nagi is slated to be a new SI-VIS member.
SI-VIS goes to vacation on an island owned by Seina. There, Kyoya discovers texts that reminds him of Yosuke.
The Mirage appears in Kyoya's hometown, and Lukos's attack drives SI-VIS into a corner.
SI-VIS starts to train during Siren's absence. Meanwhile, a mysterious figures watch over from afar.
Soji visits Kyoya in his hometown to bring him back. Meanwhile, Krios is fueled to avenge Lukos.
The Mirage suddenly appears in Tokyo. Without Kyoya and Soji, SI-VIS counterattacks with a guerrilla concert.
Kyoya tries to help Siren, and Nagi trains hard to step up. Then, a shocking secret is revealed in Harmonia.
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