Marriage Toxin — All Seasons & Streaming
Marriage Toxin (2026-) — As a deadly assassin from the poison clan, Gero swears he'll never settle down—that is,…
Marriage Toxin Series Overview
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 swindler Mei Kinosaki for relationship advice. Can Kinosaki turn this trained killer into a charming husband-to-be?
Why Watch Marriage Toxin?
The Vibe: Marriage Toxin is a visually stunning and highly imaginative animation series that firmly establishes itself as a must-watch from 2026. The pacing and atmosphere are perfectly calibrated to keep you engaged from start to finish.
Who Should Watch It: Highly recommended for families and lovers of beautifully crafted artistry. If you enjoy character-driven arcs layered with animation-specific tropes, this deserves a spot on your watchlist.
Cast & Characters
- 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)
Series Details
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