Si-Vis: The Sound of Heroes.

About Si-Vis: The Sound of Heroes

Si-Vis: The Sound of Heroes is a Japanese original anime television series produced by Aniplex and Sony Music Entertainment Japan. It was animated by Studio VOLN and directed by Daisuke Yoshida, with series composition by Fumiaki Maruto, and features original character designs by Hidari adapted for animation by Nami Fujii, and music by Shuhei Mutsuki. The series premiered on October 5, 2025, on Fuji TV and other networks, and ran for two consecutive cours. Crunchyroll is streaming the series. The series features opening and ending themes performed by the in-story unit Si-Vis. For the first cours, the opening theme song is "So Far Away", while the ending theme song is "Friends & Smile". During the second cours, the opening theme is "Supernova", and the ending theme is "Singing Over".