Hanzaisha: Story, Cast and Series Facts

Story and premise

Following the sole survivor of a random mass stabbing who is given a mysterious 10-day ultimatum to live, three unlikely allies—a determined detective, an investigative reporter, and the targeted survivor—risk everything to unravel the truth behind a shocking conspiracy hiding in the dark heart of Japanese society.

Series details

• Title: Hanzaisha
• Format: Scripted
• Language: Japanese
• Genres: Drama, Crime, Thriller
• Premiere date: 2026-07-17
• Final broadcast date listed: 2026-07-31
• Status in TVmaze: Ended
• Web channel listed by TVmaze: Prime Video
• Typical episode runtime: 45 minutes
• TVMaze ID: 92790
• IMDb ID: tt42206320
• TVDB ID: 477367

Cast and credited roles

• Issey Takahashi — Ryosuke Soma
• Takumi Saito — Nanao Yarimizu
• Koshi Mizukami — Shuji Shigetou
• Seiyo Uchino — Masaki

Seasons in the TVmaze catalogue

• Season 1: premiered 2026-07-17; final listed air date 2026-07-31; episode order: 7.

Source and licence

Adapted from Hanzaisha on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.