SI-VIS: The Sound of Heroes is a tV series anime that premiered in fall 2025, produced by Studio VOLN.

About the production: the story comes from an original script, there are 24 episodes of about 24 minutes and its current status is "finished".

Its main genres are action, drama, music, romance and sci-fi, with themes such as Superhero, Idol, Urban and Ensemble Cast.

On AniList, SI-VIS: The Sound of Heroes has an average score of 59%, an average score, and appears on 5,422 users' lists.

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. (Source: Crunchyroll)

Official synopsis from AniList.