TV SI-VIS: The Sound of Heroes SI-VIS: The Sound of Heroes 6/10 by 3 users 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. Details Casts Posters Images Title SI-VIS: The Sound of Heroes Alternative Titles シーヴィス First Air Date 2025-10-05 Last Air Date 2025-11-23 Number of Episodes 24 Number of Seasons 1 Genres Animation, Action & Adventure, Sci-Fi & Fantasy, Networks Fuji TV, Casts Anan Furuya, Nobunaga Shimazaki, Ayane Sakura, Soma Saito, Akari Kito, Manaka Iwami Plot Keywords , Kyōya (voice) Anan Furuya Sōji (voice) Nobunaga Shimazaki Siren (voice) Ayane Sakura JUNE (voice) Soma Saito μ (voice) Akari Kito Nagi (voice) Manaka Iwami