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Marriage Toxin at a glance
Marriage Toxin is a 2026 animation and action & adventure series, running 24m. It has 2 seasons and 13 episodes listed on TMDB, and its status is “Returning Series”. Age rating: TV-14 in the United Kingdom.
In the United Kingdom it is listed on Crunchyroll and Crunchyroll Amazon Channel.
Rated TV-14 in the United Kingdom — suitable for older children and teenagers; parental guidance recommended.
All key facts9
- Format
- TV series
- First aired
- 2026-04-07
- Seasons
- 2
- Episodes
- 13
- Episode length
- 24m
- Genres
- Animation, Action & Adventure, Comedy
- Original language
- Japanese
- Status
- Returning Series
- TMDB rating
- 7.4 / 10 · 54 votes
Facts come from TMDB and are refreshed automatically. Availability is per country and changes weekly — the United Kingdom row is what you see by default.
Availability
Where to watch in the United Kingdom
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BuyKeep the digital copy
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Every service carrying this title in the United Kingdom (opens the JustWatch list in a new tab)
Compare the services themselves? All streaming services, or read how availability works.
Synopsis
Series overviewFor 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!
Cast
10 names
Haruki IshiyaHikaru Gero (voice)
Shion WakayamaMei Kinosaki (voice)
Anna NagaseKyoko Himekawa (voice)
Mariya IseShizuku Ushio (voice)
Asaki YuikawaShiori Ureshino (voice)
Soma SaitoGenya Naruko (voice)
Hinano ShirahamaKimie Arashiyama (voice)
Shimba TsuchiyaPiichi Nakagawa (voice)
Haruka ShiraishiAkari Gero (voice)
Isamu YusenToshiki Hanamaki (voice)Seasons and episodes
13 episodesQuestions about Marriage Toxin
Quick answersWhere can I watch Marriage Toxin in the United Kingdom?
In the United Kingdom, Marriage Toxin is listed on Crunchyroll, Crunchyroll Amazon Channel. Use the country selector above the facts to see another market — streaming rights differ by country.
Is Marriage Toxin suitable for children?
Marriage Toxin is rated TV-14 in the United Kingdom. That rating covers the themes and content levels set by the local classifier, so use it together with your own judgement for younger viewers.
Is Marriage Toxin on PelisPlus UK?
Marriage Toxin has a full discovery page on PelisPlus UK with its synopsis, cast, ratings, seasons and episode guide. PelisPlus UK does not host video files; playback opens the third-party player sources configured by the site operator.
What is Marriage Toxin about?
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,…
How many seasons of Marriage Toxin are there?
Marriage Toxin has 2 seasons and 13 episodes listed on TMDB. Use the season tabs to see every episode.
Can I watch the Marriage Toxin trailer?
Yes. Press Watch trailer to play Second Trailer [Subtitled] without leaving this page. The trailer is embedded from YouTube.
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