Plot — 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, to find him a bride. The most challenging mission of his life begins!
Top Cast & Creator
▶ Marriage Toxin — Official Trailer
Streaming Availability
You can currently stream Marriage Toxin on:
Quick Facts
| Type | Web Series |
| First Aired | 2026 |
| Genre | Animation, Action & Adventure, Comedy |
| Language | Japanese |
| Seasons | 2 (13 episodes) |
| Audience Score | 75% (7.5/10, 48 votes) |
Marriage Toxin — FAQ
Is Marriage Toxin worth watching? Marriage Toxin holds a 7.5/10 rating from 48 viewers. 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 hi
Who is in the cast of Marriage Toxin? It stars Haruki Ishiya, Shion Wakayama, Anna Nagase, Mariya Ise, Asaki Yuikawa, Soma Saito and more.
Where can I stream Marriage Toxin? You can stream Marriage Toxin on Crunchyroll, Crunchyroll Amazon Channel. Availability may vary by region.
When did Marriage Toxin release? It first aired in 2026.
More Animation to explore
★ 8.4
★ 8.4
★ 7.1
★ 8.4
★ 7.5
★ 7.5