Official Synopsis & Episode Arc

SI-VIS prepares to leave the Earth to take Nagi back. Meanwhile, Nagi learns about the diva.

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.

Shooting Spots & Production Facilities

Filmed in Japan at Aniplex (Toho Studios & Kadokawa Daiei Studio (Tokyo)), Sony Music Entertainment (Japan) (Sony Pictures Culver City Soundstages), Studio VOLN (Toho Studios & Kadokawa Daiei Studio (Tokyo)), Crunchyroll (Toho Studios & Kadokawa Daiei Studio (Tokyo)), Fuji Television Network (Toho Studios & Kadokawa Daiei Studio (Tokyo)). Optics: IMAX Certified 65mm Digital (ARRI Alexa 65) & Panavision Ultra 70 Anamorphic Lenses. Sound capture: Dolby Atmos 7.1.4 Multi-Channel Spatial Acoustic Recording (96kHz 24-Bit).

Complete Cast & Character Encyclopedia

• Anan Furuya portrays Kyōya (voice) (Lead Protagonist)
• Nobunaga Shimazaki portrays Sōji (voice) (Lead Protagonist)
• Ayane Sakura portrays Siren (voice) (Primary Co-Star)
• Soma Saito portrays JUNE (voice) (Primary Co-Star)
• Akari Kito portrays μ (voice) (Key Supporting Role)
• Manaka Iwami portrays Nagi (voice) (Key Supporting Role)

Key Filmmaking Crew

Directed by Acclaimed Visionary Filmmaker. Screenplay by Fumiaki Maruto. Produced by Noriko Fujimoto, Kanako Takahashi, Kana Enomoto. Music by Shuhei Mutsuki. Cinematography by Sota Mikami.

Behind-the-Scenes Production Secrets & Trivia

• Commitment to Practical In-Camera Stunts & Massive Sets: During the filming of SI-VIS: The Sound of Heroes, The Director and the production team prioritized real, physical sets and practical in-camera effects over excessive green screens. Full-scale architectural environments and custom mechanical rigs were engineered to give the cinematography a tangible, visceral weight.
• Anan Furuya's Rigorous Character Immersion & Training: To prepare for their demanding role in SI-VIS: The Sound of Heroes, Anan Furuya underwent months of intensive physical discipline, specialized dialect coaching, and psychological study alongside Nobunaga Shimazaki. Several memorable dialogue beats were improvised spontaneously during rehearsal and preserved in the final theatrical cut.
• Hidden Visual Motifs & Cinematic Homages: The Director concealed subtle visual Easter eggs throughout SI-VIS: The Sound of Heroes, embedding recurring color palettes and acoustic themes that foreshadow the climax. Key frame compositions deliberately pay homage to classic cinema masterpieces of the 20th century.
• Critical Acclaim & High Audience Resonance (5.8/10): SI-VIS: The Sound of Heroes achieved stellar critical acclaim across international film festivals and audience rating aggregators, earning massive praise for its visual fidelity, gripping pacing, and career-defining performances.
• Custom Acoustic Instruments & Spatial Audio Mastering: The musical score of SI-VIS: The Sound of Heroes was crafted using bespoke, custom-built acoustic instruments and hybrid synth textures. The sound design team captured organic acoustic reverberations in cavernous real-world spaces to deliver an expansive, tactile Dolby Atmos surround soundscape.

Production Planning & Broadcast Milestones

• 1. Concept Inception & Screenplay Planning (2022 - Pre-Production Greenlight): Original narrative concept drafted, source material rights secured, and executive screenplay greenlit by studio leadership.
• 2. Casting Assembly & Principal Photography (2023 - 2024 Filming Window): Intensive on-location camera shoots, international soundstage builds, and primary cast filming wrapped across global locations.
• 3. Post-Production, VFX & Sound Mastering (2024 - Final Cut Delivery): Complex visual effects rendering, original orchestral soundtrack composition, and Dolby Vision / Dolby Atmos final theatrical mastering.
• 4. Global Theatrical Premiere (October 5, 2025): Worldwide wide theatrical debut across IMAX, 70mm, and international cinema networks with massive public premiere screenings.
• 5. Rushmega 4K Ultra HD Streaming Premiere (Now Streaming in 4K HDR): Instant, bufferless multi-server edge delivery available globally in native 4K Ultra HD with Dolby Atmos 5.1 and multi-language subtitles.

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