Get ready for the most romantic war in anime! The original music/action series SI-VIS: The Sound of Heroes is now streaming, and the staff has unveiled the First Cour Trailer and a stunning Key Visual!

The premise is pure spectacle: SI-VIS is a globally popular co-ed music group. However, they are secretly heroes in disguise! They battle mysterious forces threatening the world by converting the energy from their live performances and audience hype into raw combat power. The battles appear to be ordinary concerts to the public, keeping their identity a secret.

THE IMPORTANT DETAILS

• The Premiere: The series premiered on October 5, 2025, and is streaming on Crunchyroll.

• The Run: The original series is set to run for two consecutive cours (roughly 24 episodes total).

• The Staff: The series is animated by Studio VOLN, with scripts written by Fumiaki Maruto (Saekano: How to Raise a Boring Girlfriend light novel author).

• The Cast: The main unit features major talent: Daisuke Namikawa (YOSUKE), Ayane Sakura (Siren), Nobunaga Shimazaki (Sōji), Akari Kitō (μ), and Sōma Saitō (JUNE).

SI-VIS: The Sound of Heroes Trailer