Marriage Toxin (2026) TV show poster
Series2026

Marriage Toxin

AnimationAction & AdventureComedy

As a deadly assassin from the poison clan, Gero swears he'll never settle down—that is, until the family orders his sister to produce the poison clan's next heir. Refusing to let his sister abandon her chance at true love with her girlfriend, Gero desperately turns to marriage sw…

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Official Trailer

Top Cast

Haruki Ishiya actor profile photo
Haruki Ishiya
Hikaru Gero (voice)
Shion Wakayama actor profile photo
Shion Wakayama
Mei Kinosaki (voice)
Anna Nagase actor profile photo
Anna Nagase
Kyoko Himekawa (voice)
Mariya Ise actor profile photo
Mariya Ise
Shizuku Ushio (voice)
Asaki Yuikawa actor profile photo
Asaki Yuikawa
Shiori Ureshino (voice)
Soma Saito actor profile photo
Soma Saito
Genya Naruko (voice)

Tweet Tomatometer™

88
X CertifiedX Certified
Positive86
Neutral56
Negative8
Total tweets150

Updated Apr 17, 2026

30-Day Trend

10 data points
The Experts
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The People
88%
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