Watch Anime Online: A Ninja and an Assassin Under One Roof (2025)

Get ready for an unexpected roommate situation that blurs the line between danger and comedy. A Ninja and an Assassin Under One Roof is a 2025 anime series that transforms the classic "opposites attract" trope into something truly unique—pairing a deadly assassin with an escaped ninja in one chaotic household. If you're looking to watch this anime online, here's everything you need to know about this fresh take on action-comedy storytelling.

Plot Overview: When a Ninja Meets an Assassin

The premise kicks off when ordinary high school student Konoha Koga encounters Satoko Kusagakure, a runaway ninja desperately fleeing her village. What begins as a chance rescue quickly escalates when ninja pursuers arrive to retrieve Satoko—only to discover that Konoha is far from ordinary. The shocking truth? He's a skilled assassin. From that moment on, these two dangerous individuals must navigate the complexities of living under one roof, creating a dynamic filled with tension, humor, and unexpected chemistry. It's a high-stakes comedy that explores what happens when two worlds of shadow and secrecy collide in everyday life.

Release Date & Episode Information

A Ninja and an Assassin Under One Roof debuted on April 10, 2025, introducing audiences to this thrilling new series. The complete anime series consists of 12 episodes across 1 season, with each episode running 24 minutes. The season has concluded, making the full series available for binge-watching.

Full Cast & Voice Actors

The talented voice cast brings these complex characters to life, featuring Haruna Mikawa, Kana Hanazawa, Yu Serizawa, Eri Kitamura, and Rumi Okubo. Each performer delivers compelling performances that balance the action-packed sequences with the comedic moments that define the series.

Creative Team & Production Details

• Directors & Creators: Sho Tanaka, Sadakazu Kikuchi, Nobuyuki Takeuchi
• Animation Studio: SHAFT
• Production Companies: KADOKAWA, Pony Canyon
• Network: AT-X
• Country of Origin: Japan

Series Specifications

• Genre: Animation, Comedy, Action
• Format: Anime Series
• Audience Rating: 6.889/10
• Status: Series Complete

Where to Watch Online

Ready to watch A Ninja and an Assassin Under One Roof online? Streaming availability will be updated as we receive confirmed platform information. Check back regularly for details on where you can legally stream this anime series and join the conversation about this unique action-comedy blend.

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