TV-14Fuji TV8.5(14)

Marriage Toxin

Name: Marriage Toxin
Director: Motonobu Hori
Genre: Animation, Action & Adventure, Comedy
Released: 2026-04-07
Rating: 8.5

マリッジトキシン

AnimationAction & AdventureComedy

Watch Free

We checked 8 streaming services in India on 04 Jun 2026 at 20:06 IST

2026

1 Season

13 Episodes

Returning Series

TV-14

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, to find him a bride. The most challenging mission of his life begins!

#assassin#romance#based on manga#lgbt#shounen#anime#lesbian#genderqueer#lgbtq+

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)

Seasons

Season 1

13 episodes2026

Episodes

Season 1

See all 13episodes →

The Poison Master's Search for a Bride

Apr 7, 202624m7.0

An assassin must marry to appease his clan and save his sister. Small problem: He doesn't know how to date.

What Is "Charm," Anyway?

Apr 14, 202624m7.3

Kinosaki takes Gero to practice dating in a floating art museum that becomes the scene of a heist.

My First

Apr 21, 202624m8.0

Gero fights a Water Master to rescue Himekawa, but his real challenge is taking her on a date afterward.

The Sound Master

Apr 28, 202624m7.0

Gero goes undercover as a student to guard a corporate heiress, but he isn't the only Master on campus.

Lord Chladni

May 5, 202624m7.3

A test of courage seems like a romantic opportunity, but it turns out to be a deadly trap.

Together With Me

May 12, 202624m7.0

Panicked students try to sacrifice Ureshino, and stopping Naruko is the only way to make them see reason.

The Bug Master's Wedding

May 19, 202624m7.5

Gero goes to see his friend get married, only to run into some particularly unwelcome wedding crashers.

The Hitman Hunter

May 26, 202624m8.0

Gero takes a job to protect a fellow Master from a man who can go toe-to-toe with the expert assassins.

Where does Marriage Toxin rank today?

Marriage Toxin is #766 on the CineFlixo Daily Streaming Charts today.

Highest: #766
Top 10: 0 days
Top 100: 0 days

Watch Marriage Toxin Online Free — All Episodes in HD

Looking for a place to watch Marriage Toxin online for free? You've landed on the right page. Marriage Toxin is a highly acclaimed Japonés animation, action & adventure, and comedy series from 2026 that you can stream right now on CineFlixo in high quality, no signup required.

About Marriage Toxin

Marriage Toxin Cast and Characters

The cast features Haruki Ishiya (as Hikaru Gero (voice)), Shion Wakayama (as Mei Kinosaki (voice)), Anna Nagase (as Kyoko Himekawa (voice)), Mariya Ise (as Shizuku Ushio (voice)), and Asaki Yuikawa (as Shiori Ureshino (voice)). Their performances are a major reason Marriage Toxin has built such a passionate audience.

Where to Watch Marriage Toxin Online

CineFlixo lets you stream Marriage Toxin online free, instantly, in HD. There's nothing to install — open the page, hit play, done. Works perfectly on Jio, Airtel, Vi networks across India and on slow mobile data thanks to our adaptive video pipeline.

▶ Watch Marriage Toxin Now

Why People Are Watching Marriage Toxin

There's a reason Marriage Toxin keeps showing up on "must-watch" lists. What makes it work is sharp comedic timing that lands consistently and action sequences that don't feel cheap. If you enjoy Japonés storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.

Frequently Asked Questions about Marriage Toxin

Where can I watch Marriage Toxin online for free?

You can watch Marriage Toxin online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.

How many episodes does Marriage Toxin have?

Marriage Toxin has 13 episodes across 1 season. All episodes are available to stream right here on CineFlixo.

Is Marriage Toxin good? What's the rating?

Marriage Toxin holds a 8.5/10 rating based on 14 reviews — genuinely excellent.

Who is in the cast of Marriage Toxin?

The main cast includes Haruki Ishiya, Shion Wakayama, Anna Nagase, and Mariya Ise, plus a strong supporting ensemble.

Is Marriage Toxin available in Japonés?

Yes — Marriage Toxin was originally produced in Japonés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.

When was Marriage Toxin released?

Marriage Toxin first aired in 2026.

Do I need an account to watch Marriage Toxin on CineFlixo?

No. CineFlixo is free and you can watch Marriage Toxin without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.

Similar Series You Might Like

If you enjoyed Marriage Toxin, check out Camera Shy, Negative Positive Angler, Dao Lhong Fah, Ένα κι ένα, and Paradise of Innocence.

Frequently Asked Questions

Where can I watch Marriage Toxin for free?

You can watch Marriage Toxin online for free on CineFlixo. All 13 episodes across 1 season are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.

How many seasons and episodes does Marriage Toxin have?

Marriage Toxin currently has 1 season and a total of 13 episodes. The series status is "Returning Series", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.

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… It belongs to the Animation, Action & Adventure, Comedy genres.

In which language is Marriage Toxin originally available?

Marriage Toxin was originally produced in JA. On CineFlixo the show is available in its original JA audio. Check the player options on the watch page for available subtitle tracks.

When was Marriage Toxin first released?

Marriage Toxin first premiered on April 7, 2026 (2026). The show is still ongoing with new episodes being released.