Is the TV show Marriage Toxin available on Netflix, Disney+, Prime or Apple TV+?

At Stream Tracker, we check where to watch the buzzy 2026 series Marriage Toxin and whether it’s streaming on Netflix, Disney+, Prime Video or Apple TV+. Centered on Gero, a deadly assassin born into a poison clan who vows never to settle down—until his sister is ordered to produce the clan’s next heir—the show flips deadly tradecraft into awkward domestic politics. Desperate to preserve his sister’s chance at true love with her girlfriend, Gero hires marriage swindler Mei Kinosaki to teach him how to play the part of a charming husband-to-be. In this article, we break down which platforms carry Marriage Toxin and what to expect from its blend of lethal stakes and romantic complication.

Synopsis

Gero, a deadly operative raised in a family of poison-makers, has always refused to settle down—until a clan edict demands his sister produce the next heir. Refusing to let her sacrifice the chance at genuine love with her girlfriend, he turns to Mei Kinosaki, a notorious marriage swindler who specializes in teaching people how to play the part of devoted partners. Can Kinosaki transform a trained killer into a convincing, charming husband-to-be before tradition robs his sister of her happiness?

Release date

2026

Seasons / Episodes

1s / 1ep

Total duration

Not set

Rating

Country

Japon

Genre(s)

Cast