SI-VIS: The Sound of Heroes Original Anime Reveals Anan Furuya as Protagonist Kyōya
- Jean-Carlos Matellan
- Oct 12, 2025
- 2 min read
Manaka Iwami voices "mysterious girl" Nagi
The staff for Aniplex and Sony Music's new original television anime series SI-VIS: The Sound of Heroes revealed on Sunday the cast for the show's protagonist Kyōya and the "mysterious girl" from the show's first episode.
Anan Furuyaas KyōyaManaka Iwamias "mysterious girl" Nagi
The staff also revealed the anime's clean opening and ending sequence videos.
The seriesdebutedonFuji TVon October 5 at 9:30 a.m. JST, and began streaming on various services in Japan starting on October 7.Crunchyrollisstreamingthe series worldwide excluding Asia. The anime will air for two consecutivecours(quarter of a year).
The anime also stars:
Nobunaga Shimazaki as Sōji
Akari Kitō as μ (pronounced "myu")
Daisuke Namikawa as YOSUKE
Ayane Sakura as Siren
Sōma Saitō as JUNE
Daisuke Yoshida (Idol Incidents, Blue Exorcist: Beyond the Snow Saga) is directing the anime at Studio VOLN. Naho Ōtsuki (key animator for Lycoris Recoil, Back Arrow) and Nami Fujii (key animator for My Hero Academia seasons 6 and 7) are designing the characters for animation, and Shūhei Mutsuki (Spy×Family three seasons) is composing the music.
Fumiaki Maruto (Saekano: How to Raise a Boring Girlfriend light novel author and anime scriptwriter) is overseeing and writing the series scripts. Hidari (Santa Company, Fractale, Phantom in the Twilight) is the original character designer.
Other staff members include:
Sub-Character Design: Mika Takahashi, Masahiro Yamanaka
Monster Design: Tomohisa Onoue
Chief Animation Director: Yurie Ōhigashi
Action Animation Director: Takaaki Hirayama
Art Director: Takao Makino
Color Design: Yoshinori Horikawa
Director of Photography: Sota Mikami
CG Director: Masato Takahashi
Editing: Yumi Jinguji
Sound Director: Yasushi Nagura
The in-story unit SI-VIS performs both the opening theme song "So Far Away" and the ending theme song "Friends & Smile" for the anime's first half. Taisho is handling the vocals in songs for YOSUKE, the leader of SI-VIS.
The story centers on the members of the SI-VIS co-ed vocal unit that is wildly popular both inside and outside Japan. Their true secret identity is a group of heroes who fight against a mysterious calamity threatening to destroy the world named "Mirage." Through their live performances, they gather the power to fight.
Sources: SI-VIS: The Sound of Heroes anime's website (link 2), Comic Natalie




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