Marriage Toxin poster
Where to stream

Marriage Toxin

7.520261 seasonMTV SeriesAnimationAction & AdventureComedy

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…

DirectorMotonobu Hori
ProducersRyo Fukuhara·Yukari Tachibana

Where to watch

CrunchyrollCrunchyrollCrunchyroll Amazon ChannelCrunchyroll Amazon Channel
Availability shown for Australia · rights vary by country

Seasons & Episodes

E1
The Poison Master's Search for a Bride
Apr 7, 2026 7.0
E2
What Is "Charm," Anyway?
Apr 14, 2026 7.0
E3
My First
Apr 21, 2026 7.4
E4
The Sound Master
Apr 28, 2026 6.5
E5
Lord Chladni
May 5, 2026 6.2
E6
Together with Me
May 12, 2026 6.5
E7
The Bug Master's Wedding
May 19, 2026 7.7
E8
The Hitman Hunter
May 26, 2026 7.5
E9
The Animal Kingdom
Jun 2, 2026 7.0
E10
Good-for-Nothing
Jun 9, 2026 7.0
E11
Offering
Jun 16, 2026 6.2
E12
Heart and Soul
Jun 23, 2026 6.0
E13
Thanks, Man
Jun 30, 2026 7.5

Cast

HIHaruki Ishiya
Haruki Ishiya
Hikaru Gero (voice)
SWShion Wakayama
Shion Wakayama
Mei Kinosaki (voice)
ANAnna Nagase
Anna Nagase
Kyoko Himekawa (voice)
MIMariya Ise
Mariya Ise
Shizuku Ushio (voice)
AYAsaki Yuikawa
Asaki Yuikawa
Shiori Ureshino (voice)
SSSoma Saito
Soma Saito
Genya Naruko (voice)
HSHinano Shirahama
Hinano Shirahama
Kimie Arashiyama (voice)
STShimba Tsuchiya
Shimba Tsuchiya
Piichi Nakagawa (voice)
HSHaruka Shiraishi
Haruka Shiraishi
Akari Gero (voice)
IYIsamu Yusen
Isamu Yusen
Toshiki Hanamaki (voice)

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Marriage Toxin — streaming FAQ

Which OTT platform streams Marriage Toxin?

Marriage Toxin is streaming on Crunchyroll in Australia, and available to rent or buy on Apple TV Store. It's not currently on Netflix.

Is Marriage Toxin on Netflix?

No, Marriage Toxin is not on Netflix in Australia as of September 2026. It's currently on Crunchyroll.

Is Marriage Toxin on Amazon Prime Video?

No, Marriage Toxin isn't on Amazon Prime Video in Australia right now. It's on Crunchyroll instead.

Where can I watch Marriage Toxin for free?

Marriage Toxin is available on Crunchyroll in Australia, but you'll need an active subscription — there's no free option right now.

How many seasons does Marriage Toxin have?

Marriage Toxin has 1 season so far. Season 2 has been announced.

Are all episodes of Marriage Toxin out yet?

The 1 released season of Marriage Toxin is complete, but the show is still in production — a new season is expected.

Is there a Season 2 of Marriage Toxin?

Yes — Season 2 of Marriage Toxin has been announced (release date to be confirmed).

What manga is Marriage Toxin based on?

Marriage Toxin is based on Marriagetoxin by Jōmyaku.