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Poster for Marriage Toxin

TV series

Marriage Toxin

Original title: マリッジトキシン

2026 · TV-14 · 2 seasons · 13 episodes

7.4

TMDB audience score
53 votes, out of 10

Trailer Where to watch

Synopsis

For centuries, the deadly arts have been perfected by Masters, and Five Great Families hold the greatest power and influence. Hikaru Gero, an heir to the Gero family, lives in the underworld as an elite assassin. When his sister is pressured to produce an heir, Hikaru asks Mei Kinosaki, a brilliant marriage swindler, to find him a bride. The most challenging mission of his life begins!

About 5h 12m to watch every episode. An estimate: 13 episodes at the typical episode runtime of 24 minutes.

Where to watch

Official options in the United States:

Subscription

  • Crunchyroll
  • Crunchyroll Amazon Channel

Buy

  • Amazon Video
  • Apple TV Store
  • Fandango At Home

All options on TMDB

Where-to-watch data is provided by JustWatch through TMDB. It differs by country and changes over time, so confirm with the service before paying. PlotNest does not host or stream anything.

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Trailer

Play trailer: Second Trailer [Subtitled]

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Main cast

  • Haruki Ishiya
    Hikaru Gero (voice)
    13 episodes

  • Shion Wakayama
    Mei Kinosaki (voice)
    13 episodes

  • Anna Nagase
    Kyoko Himekawa (voice)
    13 episodes

  • Mariya Ise
    Shizuku Ushio (voice)
    13 episodes

  • Asaki Yuikawa
    Shiori Ureshino (voice)
    13 episodes

  • Soma Saito
    Genya Naruko (voice)
    13 episodes

  • Hinano Shirahama
    Kimie Arashiyama (voice)
    13 episodes

  • Shimba Tsuchiya
    Piichi Nakagawa (voice)
    13 episodes

  • Haruka Shiraishi
    Akari Gero (voice)
    13 episodes

  • Isamu Yusen
    Toshiki Hanamaki (voice)
    13 episodes

Seasons