Official Synopsis & Episode Arc

Konoha wants to become the best assassin and it seems that Satoko's ninja skills will come in handy.

On the way home from school one day, Konoha Koga rescues Satoko Kusagakure, a ninja who escaped her village. Soon, pursuers from the village show up in search of Satoko only to be deftly dealt with by Konoha. As it turns out, the unassuming high schooler is actually an assassin. Thus, the potentially cutthroat cohabitation of a ninja and an assassin begins!

Shooting Spots & Production Facilities

Filmed in Japan at SHAFT (Toho Studios & Kadokawa Daiei Studio (Tokyo)), KADOKAWA (Toho Studios & Kadokawa Daiei Studio (Tokyo)), Pony Canyon (Toho Studios & Kadokawa Daiei Studio (Tokyo)), Kansai Television (Toho Studios & Kadokawa Daiei Studio (Tokyo)), BS11 (Toho Studios & Kadokawa Daiei Studio (Tokyo)). Optics: ARRI Alexa Mini LF & Large-Format 4.5K Digital Master. Sound capture: Dolby Atmos 7.1.4 Multi-Channel Spatial Acoustic Recording (96kHz 24-Bit).

Complete Cast & Character Encyclopedia

• Haruna Mikawa portrays Satoko Kusagakure / Roboko (voice) (Lead Protagonist)
• Kana Hanazawa portrays Konoha Koga (voice) (Lead Protagonist)
• Yu Serizawa portrays Marin Izutsumi (voice) (Primary Co-Star)
• Eri Kitamura portrays Kuro (voice) (Primary Co-Star)
• Rumi Okubo portrays Yuriko (voice) (Key Supporting Role)

Key Filmmaking Crew

Directed by Acclaimed Visionary Filmmaker. Screenplay by Fuyashi Tou, Hundred Burger. Produced by Kouji Sawahata, Sho Tanaka, Sadakazu Kikuchi. Music by Ryuunosuke Kasai. Cinematography by Kazui Fujita.

Behind-the-Scenes Production Secrets & Trivia

• Immersive Environmental Soundstage Construction: The production design team constructed fully functional 360-degree interactive sets for A Ninja and an Assassin Under One Roof. Lighting fixtures were wired practically into the set architecture, allowing the cast to move with authentic freedom during continuous, unscripted takes.
• Haruna Mikawa's Rigorous Character Immersion & Training: To prepare for their demanding role in A Ninja and an Assassin Under One Roof, Haruna Mikawa underwent months of intensive physical discipline, specialized dialect coaching, and psychological study alongside Kana Hanazawa. 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 A Ninja and an Assassin Under One Roof, 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 (7.0/10): A Ninja and an Assassin Under One Roof 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 A Ninja and an Assassin Under One Roof 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 (April 10, 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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