Aniplex and Sony Music have just announced SI-VIS: The Sound of Heroes , an original series premiering in October 2025 on Fuji TV " combination, the anime promises to unite action and breathtaking musical performances.
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The story follows the vocal group SI-VIS , who excel not only on stage but also in the fight against a mysterious global calamity. When they take the stage, the members awaken unique powers capable of confronting this threat, protecting the world with the strength of their voices.
A stellar cast and experienced production team
The cast includes big names in Japanese voice acting:
- Ayane Sakura as Siren
- Souma Saitou as June
- Daisuke Namikawa as YOSUKE
- Nobunaga Shimazaki as Souji
- Akari Kitou as μ (pronounced “myu”)

Therefore, the singers who will lend their voices to the characters will be revealed soon, further increasing the fans' anticipation.
The script is written by Fumiaki Maruto , known for Saekano , while the original designs are by Hidari , who has worked on projects such as Fractale and Phantom in the Twilight .
For fans of musical anime with a touch of action, SI-VIS promises to be a pleasant surprise.
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Source: Official Website
