Joseph Luster
July 27, 2025 
A new original TV anime is in the works at Aniplex and Sony, with SI-VIS: The Sound of Heroes revealed for an October 2025 premiere. The series will air on Fuji TV in Japan, and you can see the announcement video below.
SI-VIS: The Sound of Heroes Trailer
Visual:
The anime has Fumiaki Maruto—the anime writer and light novel author behind Saekano: How to Raise a Boring Girlfriend—overseeing and writing scripts, with Hidari (Fractale) handling original character designs
Here’s a look at the main cast, which includes, from left to right in the image below:
- Ayane Sakura as Siren
- Soma Saito as JUNE
- Daisuke Namikawa as YOSUKE
- Nobunaga Shimazaki as Soji
- Akari Kito as μ
The story follows co-ed vocal unit SI-VIS, which is popular around the world and has a secret behind it. They’re really heroes who fight against a world-threatening calamity, gathering the power to fight through their live performances.
According to a previous teaser, the theme for the series will be “Music x Hero,” and Sony has selected vocal artists for the characters that will be revealed at a later date.
Source: Anime News Network
