SI-VIS: The Sound of Heroes (2025) is a Animation, Action & Adventure, Sci-Fi & Fantasy series that follows 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. Currently, you can watch SI-VIS: The Sound of Heroes on Crunchyroll, Crunchyroll Amazon Channel. Streaming availability may vary by country and platform over time. It has a user rating of 5.2 out of 10 from 4 votes. Fans of animation series may also want to explore similar titles below.