Marriage Toxin

Marriage Toxin (2026)

Animation Action & Adventure Comedy

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!

star 8.5
  • First Air Date: 2026-04-07
  • Last Air Date: 2026-05-12
  • Total Seasons: 1
  • Total Episodes: 13
  • Episode Runtime: 24 min.
  • Network: Fuji TV, Tokai Television Broadcasting, Fukui TV, Hokkaido Cultural Broadcasting, Iwate Menkoi Television, Sendai Television, SAGA TV, Ishikawa TV, TNC, OHK, Kochi Sun Sun Broadcasting, Television Shin Hiroshima System, TV Shizuoka, NST, NBS, Sakuranbo TV, TSK, Ehime Broadcasting, KTS, Fukushima TV, AKT, Toyama Television, TV Kumamoto, Okinawa Television Broadcasting, KTN

Where to Watch Marriage Toxin Online

You can now watch Marriage Toxin online on the following streaming providers in the United States.


    • Seasons

    • Season 1

      13 Episodes

    Trailer

    Cast

    • Haruki Ishiya

      Hikaru Gero (voice)

    • Shion Wakayama

      Mei Kinosaki (voice)

    • Anna Nagase

      Kyoko Himekawa (voice)

    • Mariya Ise

      Shizuku Ushio (voice)

    • Asaki Yuikawa

      Shiori Ureshino (voice)

    • Soma Saito

      Genya Naruko (voice)

    • Hinano Shirahama

      Kimie Arashiyama (voice)

    • Shimba Tsuchiya

      Piichi Nakagawa (voice)

    • Haruka Shiraishi

      Akari Gero (voice)

    • Isamu Yusen

      Toshiki Hanamaki (voice)

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