Watch SI-VIS: The Sound of Heroes Online
Want to stream SI-VIS: The Sound of Heroes? IBO Player brings SI-VIS: The Sound of Heroes (2025) to every screen you own in 4K Ultra HD. Here is everything you need to watch it.
Watch trailer
What is SI-VIS: The Sound of Heroes about?
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.
Latest episode
S1 · Episode 24 — Grand Finale of the Beginning · 2026-03-29
The live concert that determines the fate of Earth will proceed to its encore.
- Genres
- Animation, Action & Adventure, Sci-Fi & Fantasy
- First aired
- 2025-10-05
- Rating
- ★ 5.8 / 10
Top cast
- Anan Furuya Kyōya (voice)
- Nobunaga Shimazaki Sōji (voice)
- Ayane Sakura Siren (voice)
- Soma Saito JUNE (voice)
- Akari Kito μ (voice)
- Manaka Iwami Nagi (voice)
How to Watch SI-VIS: The Sound of Heroes on IBO Player
Watching SI-VIS: The Sound of Heroes on IBO Player takes about a minute: start a free trial, open the app on your TV, phone, Fire Stick or browser, and press play — all in 4K Ultra HD.
Start Watching SI-VIS: The Sound of Heroes Today
Start your IBO Player free trial and watch SI-VIS: The Sound of Heroes today, along with thousands of movies, series and live channels in 4K Ultra HD.
