Si-Vis: The Sound of Heroes is a Japanese original anime television series produced by Aniplex and Sony Music Entertainment Japan. It is 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 will run for two consecutive cours. Crunchyroll is streaming the series. For the first cours, the opening theme song is "So Far Away", while the ending theme song is "Friends & Smile", both performed by in-story unit Si-Vis.
Characters
Yosuke Shiba (司馬 洋介, Shiba Yōsuke) / Yosuke
Voiced by: Daisuke Namikawa
Kyoko Takagi (高木 京子, Takagi Kyōko) / Siren (セイレーン, Seirēn)
Voiced by: Ayane Sakura
Miu Narumiya (成宮 魅羽, Narumiya Miu) / μ
Voiced by: Akari Kitō
Soshiro Sakamoto (坂本 奏士郎, Sakamoto Sōshirō) / Sōji (ソウジ, Sōji)
Voiced by: Nobunaga Shimazaki
Jun Asukai (飛鳥井 純, Asukai Jun) / June
Voiced by: Soma Saito
Kyoya Minami (南 響也, Minami Kyōya) / Kyoya (キョウヤ, Kyōya)
Voiced by: Anan Furuya
Nagi (凪, Nagi)
Voiced by: Manaka Iwami
Krios (クリオス, Kuriosu)
Voiced by: Megumi Han
Lukos (リュコス, Ryukosu)
Voiced by: Maaya Uchida
