Marriage Toxin(2026)
Marriage Toxin 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!
Marriage Toxin (2026) is a animation, action & adventure and comedy series that premiered on April 7, 2026, spanning 2 seasons and 13 episodes. It stars Haruki Ishiya, Shion Wakayama, Anna Nagase and Mariya Ise. Viewers rate it 7.5 out of 10 across 47 ratings.
- First aired:
- 2026-04-07
- Last aired:
- 2026-06-30
- Producers:
- Shunsuke Matsuda, Hayato Saga, Takuya Kanaya
Marriage Toxin (2026) Trailer
Watch the official trailer for Marriage Toxin before you start streaming.
Marriage Toxin Videos & Clips
Official trailers, teasers, clips and featurettes for Marriage Toxin.
Second Trailer [Subtitled]
Trailer
First Trailer [Subtitled]
Trailer
Teaser Trailer [Subtitled]
Teaser
Marriage Toxin Cast & Crew
Main cast
Haruki Ishiya
as Hikaru Gero (voice)
Shion Wakayama
as Mei Kinosaki (voice)
Anna Nagase
as Kyoko Himekawa (voice)
Mariya Ise
as Shizuku Ushio (voice)
Asaki Yuikawa
as Shiori Ureshino (voice)
Soma Saito
as Genya Naruko (voice)
Hinano Shirahama
as Kimie Arashiyama (voice)
Shimba Tsuchiya
as Piichi Nakagawa (voice)
Haruka Shiraishi
as Akari Gero (voice)
Isamu Yusen
as Toshiki Hanamaki (voice)
Key crew
Executive produced by Shunsuke Matsuda, Hayato Saga and Takuya Kanaya.
Explore more Animation shows
Marriage Toxin Reviews & Ratings
Average viewer score of 7.5/10 from 47 ratings.
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Marriage Toxin – Frequently Asked Questions
Where can I stream Marriage Toxin?
+
Marriage Toxin (2026) is available to stream on Crunchyroll and Crunchyroll Amazon Channel, with episodes also available to buy from Amazon Video, Apple TV Store and Fandango At Home. Availability comes from JustWatch data and varies by country.
How many seasons of Marriage Toxin are there?
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Marriage Toxin has 2 seasons and 13 episodes in total, starting from its premiere on April 7, 2026.
Is Marriage Toxin still running?
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Marriage Toxin is currently listed as returning series, with the most recent episode airing on June 30, 2026.
Who is in the cast of Marriage Toxin?
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Marriage Toxin (2026) stars Haruki Ishiya, Shion Wakayama, Anna Nagase, Mariya Ise and Asaki Yuikawa. The full cast list with character names is available in the cast section of this page.
Is Marriage Toxin any good?
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Marriage Toxin (2026) is rated 7.5 out of 10 from 47 viewer votes, and suits viewers who like animation, action & adventure and comedy series. Reviews from viewers are collected further down this page.
Where can I watch the Marriage Toxin trailer?
+
The official Marriage Toxin trailer is embedded in the trailer section of this page and plays instantly in your browser.