SI-VIS: The Sound of Heroes (2025)
A Japanese anime series where a co-ed music group secretly battles world-threatening forces, turning every concert into a covert superhero mission.
SI-VIS: The Sound of Heroes - Series Information
- Original Title: SI-VIS: The Sound of Heroes
- First Air Year: 2025
- Last Air Year: 2026
- Type: TV Series
- Genres: Animation, Action, Adventure, Sci-Fi, Fantasy
- Episode Runtime: Average runtime per episode (24 minutes)
- Number of Seasons: 1
- Number of Episodes: 24
- Status: Returning Series
- Original Language: Japanese
- Spoken Languages: Japanese
- First Air Date: October 5, 2025 (France - 12), October 5, 2025 (Brazil - 14)
- Networks: Fuji TV
- Alternative Titles: SI―VIS： The Sound of Heroes (JP)
- Production Companies: Aniplex, Sony Music Entertainment (Japan), Studio VOLN, Crunchyroll, Fuji Television Network
- Production Countries: Japan
SI-VIS: The Sound of Heroes - Plot
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.
SI-VIS: The Sound of Heroes - Trailer
Watch the official trailer and see the music-powered heroes of SI-VIS in action:
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SI-VIS: The Sound of Heroes - Cast & Crew
Main Cast
- Anan Furuya
- Nobunaga Shimazaki
- Ayane Sakura
- Soma Saito
- Akari Kito
- Manaka Iwami
- Daisuke Namikawa
Executive Producers
- Shinichiro Kashiwada
- Yukiko Takase
- Masanori Miyake
- Asa Suehira
SI-VIS: The Sound of Heroes - FAQs
What is SI-VIS: The Sound of Heroes about?
SI-VIS: The Sound of Heroes follows a co-ed music group led by Yosuke who secretly double as heroes battling mysterious forces threatening the world. Their secret weapon? They convert the energy of their live audiences into combat power, while every battle appears to onlookers as just another electrifying concert.
How do the heroes in SI-VIS keep their identities secret?
The series uses a clever narrative device: every battle the SI-VIS heroes fight is disguised as a live music performance. To the public, they are simply a thrilling music act. Their real combat against mysterious forces remains completely invisible, letting them protect the world without blowing their cover.
Where can you stream SI-VIS: The Sound of Heroes?
SI-VIS: The Sound of Heroes is available to stream on Crunchyroll, including through the Crunchyroll Amazon Channel. Both options offer the series as part of a flat-rate subscription, making it easy to catch up on all episodes without any additional purchase.
Who voices the main characters in SI-VIS: The Sound of Heroes?
The series features a stellar Japanese voice cast: Daisuke Namikawa as YOSUKE, Anan Furuya as Kyōya, Nobunaga Shimazaki as Sōji, Ayane Sakura as Siren, Soma Saito as JUNE, Akari Kito as μ, and Manaka Iwami as Nagi — a lineup packed with some of anime's most recognized voice talent.
How many episodes does SI-VIS: The Sound of Heroes have?
Season 1 of SI-VIS: The Sound of Heroes consists of 24 episodes, each running approximately 24 minutes. The series premiered on October 5, 2025, on Fuji TV in Japan and is currently listed as a returning series, with the season spanning into 2026.
Is SI-VIS: The Sound of Heroes similar to other music-themed anime?
Fans of music-meets-action anime will find familiar ground here. SI-VIS shares thematic DNA with series like takt op.Destiny and Listeners, which also blend musical performance with supernatural or sci-fi combat. Its secret-identity premise also echoes classic superhero anime, giving it a broad appeal across genre fans.
Who are the studios and producers behind SI-VIS: The Sound of Heroes?
The series is produced by Studio VOLN in collaboration with Aniplex, Sony Music Entertainment Japan, Crunchyroll, and Fuji Television Network. Executive producers include Shinichiro Kashiwada, Yukiko Takase, Masanori Miyake, and Asa Suehira, with music composition handled by Shuhei Mutsuki.
What makes SI-VIS: The Sound of Heroes unique among 2025 anime?
What sets SI-VIS apart is its inventive fusion of idol-group culture and superhero action. Rather than treating music and combat as separate worlds, the show makes them inseparable — live performance energy literally fuels the heroes' power. It is a fresh, high-concept premise that stands out in a crowded seasonal lineup.
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