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Series · 2025 – 2026 · Animation

SI-VIS: The Sound of Heroes

★5.8 2025 – 2026 1 Season TV-MA

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.

Seasons & episodes

1 season · 24 episodes

City of Mirage

Episode 01

City of Mirage

Oct 5, 2025 · 24 min

Minami Kyoya aspires to join SI-VIS, a music group. But he gets caught up in a mysterious force, Mirage.

A Thoroughly Eaten Star

Episode 02

A Thoroughly Eaten Star

Oct 12, 2025 · 24 min

Yosuke dies in the battle with the Mirage, and Kyoya is devastated. Soji tells him to go back to his hometown.

Welcome to Hellish Paradise

Episode 03

Welcome to Hellish Paradise

Oct 19, 2025 · 24 min

Kyoya struggles to reach the other members’ level. When his debut stage is about to start, the Mirage appears.

New Team with a Rocky Road Ahead

Episode 04

New Team with a Rocky Road Ahead

Oct 26, 2025 · 24 min

Despite everything, Kyoya leads a fulfilling school life. One day, Rui approaches Kyoya with a desperate plea.

The Day When Five Become One

Episode 05

The Day When Five Become One

Nov 2, 2025 · 24 min

SI-VIS’s camp starts off awkward, but eventually, they start to open up. Then, Siren gives them a challenge.

Holding This Song and Courage in My Heart

Episode 06

Holding This Song and Courage in My Heart

Nov 9, 2025 · 24 min

SI-VIS plans to counter the Mirage of unprecedented scale with the new album release concert.

Irrational Encounter

Episode 07

Irrational Encounter

Nov 16, 2025 · 24 min

Kyoya invites Nagi to the school festival while on a date. Then, we learn about June’s little brother.

Light and Darkness After the Festival

Episode 08

Light and Darkness After the Festival

Nov 23, 2025 · 24 min

Kyoya, μ, and Soji compete for points at the festival. Moved by June's voice, Krios questions his actions.

I Want to See Your Gentle Smile Again

Episode 09

I Want to See Your Gentle Smile Again

Nov 30, 2025 · 24 min

The Mirage has appeared in Saegusa Academy! But learning the identity of XENOS, June is consumed with hatred.

The Sixth SI-VIS

Episode 10

The Sixth SI-VIS

Dec 7, 2025 · 24 min

Rui begins to train Nagi, but Kyoya is upset to learn that Nagi is slated to be a new SI-VIS member.

A Diva and a Knight

Episode 11

A Diva and a Knight

Dec 14, 2025 · 24 min

SI-VIS goes to vacation on an island owned by Seina. There, Kyoya discovers texts that reminds him of Yosuke.

The Last Remaining Despair

Episode 12

The Last Remaining Despair

Dec 21, 2025 · 24 min

The Mirage appears in Kyoya's hometown, and Lukos' attack drives SI-VIS into a corner.

Dejection and Determination

Episode 13

Dejection and Determination

Jan 4, 2026 · 24 min

SI-VIS starts to train during Siren’s absence. Meanwhile, a mysterious figures watch over from afar.

Come Back to Life, My Friend

Episode 14

Come Back to Life, My Friend

Jan 11, 2026 · 24 min

Soji visits Kyoya in his hometown to bring him back. Meanwhile, Krios is fueled to avenge Lukos.

Because I Am SI-VIS

Episode 15

Because I Am SI-VIS

Jan 18, 2026 · 24 min

The Mirage suddenly appears in Tokyo. Without Kyoya and Soji, SI-VIS counterattacks with a guerrilla concert.

Welcome to Labyrinth

Episode 16

Welcome to Labyrinth

Jan 25, 2026 · 24 min

Kyoya tries to help Siren, and Nagi trains hard to step up. Then, a shocking secret is revealed in Harmonia.

Wishes and Songs Will Be Heard

Episode 17

Wishes and Songs Will Be Heard

Feb 1, 2026 · 24 min

Nagi and μ are trapped in a mysterious labyrinth. Separated SI-VIS members fight hard for each other.

Bring Despair to the Earth, and…

Episode 18

Bring Despair to the Earth, and…

Feb 8, 2026 · 24 min

The most formidable enemy of all, Apollo, and SI-VIS commence the battle that will determine their fate.

Accelerating Collapse

Episode 19

Accelerating Collapse

Feb 15, 2026 · 24 min

In the chaos, SI-VIS tries to regroup. Meanwhile, a major change is happening within XENOS.

Future After Revenge

Episode 20

Future After Revenge

Feb 22, 2026 · 24 min

SI-VIS prepares to leave the Earth to take Nagi back. Meanwhile, Nagi learns about the diva.

Strongest Because of Imperfection

Episode 21

Strongest Because of Imperfection

Mar 1, 2026 · 24 min

Samael challenges SI-VIS to a battle over Nagi and the multiple Mirages on the earth.

A Diva in the Cage

Episode 22

A Diva in the Cage

Mar 15, 2026 · 24 min

Apollo launches the final attack on the Earth using Nagi. Kyoya stands up to save her.

Triumphant Return of a Super Star

Episode 23

Triumphant Return of a Super Star

Mar 22, 2026 · 24 min

SI-VIS faces Kokytos in the Mirage. With Siren back, the best performance in the history of SI-VIS begins!

Grand Finale of the Beginning

Episode 24

Grand Finale of the Beginning

Mar 29, 2026 · 24 min

The live concert that determines the fate of Earth will proceed to its encore.

About the series

SI-VIS: The Sound of Heroes poster
Audience score
★ 5.8 /10

based on 6 votes

Synopsis

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.

AnimationAction & AdventureSci-Fi & Fantasy

Cast

6 principal cast

Anan Furuya

Anan Furuya

Kyōya (voice)

Nobunaga Shimazaki

Nobunaga Shimazaki

Sōji (voice)

Ayane Sakura

Ayane Sakura

Siren (voice)

Soma Saito

Soma Saito

JUNE (voice)

Akari Kito

Akari Kito

μ (voice)

Manaka Iwami

Manaka Iwami

Nagi (voice)

Where to watch SI-VIS: The Sound of Heroes

SI-VIS: The Sound of Heroes is available to stream on Flicksy via 6 verified sources, aggregated from publicly available embed providers. The animation has 1 season and 24 total episodes, rated 5.8/10 by 6 viewers.

Frequently asked

How many seasons does SI-VIS: The Sound of Heroes have?

SI-VIS: The Sound of Heroes has 1 season with 24 episodes in total.

Is SI-VIS: The Sound of Heroes still on the air?

SI-VIS: The Sound of Heroes has ended and is no longer in production.

What network airs SI-VIS: The Sound of Heroes?

SI-VIS: The Sound of Heroes airs on Fuji TV.

When did SI-VIS: The Sound of Heroes first air?

SI-VIS: The Sound of Heroes first aired on October 5, 2025.

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