SI-VIS: The Sound of Heroes Facts, FAQ & Common Questions
2025 · Fuji TV · Status: Ended · Rated: Not Rated
Frequently Asked Questions About SI-VIS: The Sound of Heroes
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does SI-VIS: The Sound of Heroes have?
SI-VIS: The Sound of Heroes has 1 season and 24 total episodes, spanning from its premiere on October 5, 2025 to March 29, 2026.
Is SI-VIS: The Sound of Heroes renewed, ended, or canceled?
SI-VIS: The Sound of Heroes has concluded its run and is officially ended.
How long does it take to binge watch SI-VIS: The Sound of Heroes?
It takes 9h 36m (576 minutes) to watch the complete run of SI-VIS: The Sound of Heroes. At a standard pace of 2 hours per day, you will finish the entire series in approximately 5 days. Yes! At 9.6 hours total, you can comfortably finish this in a single weekend with about 4.8 hours per day.
Where can you stream or watch SI-VIS: The Sound of Heroes?
SI-VIS: The Sound of Heroes is available for streaming on Crunchyroll, Crunchyroll Amazon Channel. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for SI-VIS: The Sound of Heroes?
SI-VIS: The Sound of Heroes has an official content rating of Not Rated.
Who are the lead actors in SI-VIS: The Sound of Heroes?
The primary ensemble cast includes Anan Furuya as Kyōya (voice), Nobunaga Shimazaki as Sōji (voice) (age 37), Ayane Sakura as Siren (voice) (age 32), Soma Saito as JUNE (voice) (age 35).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Anan Furuya | Kyōya (voice) | – |
| Nobunaga Shimazaki | Sōji (voice) | 37 |
| Ayane Sakura | Siren (voice) | 32 |
| Soma Saito | JUNE (voice) | 35 |
| Akari Kito | μ (voice) | 31 |
| Manaka Iwami | Nagi (voice) | 28 |
| Daisuke Namikawa | YOSUKE (voice) | 50 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for SI-VIS: The Sound of Heroes are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.