Marriage Toxin (2026): cast, story & where to watch
2026 · Series · ★ 7.9
Released in 2026, Marriage Toxin is an animation, action & adventure and comedy series.
What it’s 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!
Who’s in it. Marriage Toxin stars Haruki Ishiya as Hikaru Gero (voice), Shion Wakayama as Mei Kinosaki (voice), Anna Nagase as Kyoko Himekawa (voice) and Mariya Ise as Shizuku Ushio (voice), among others.
How it landed. With an audience score of 7.9/10, Marriage Toxin has been warmly received by audiences.
Where to watch. In US you can stream it on Crunchyroll, Crunchyroll Amazon Channel and YouTube TV and rent or buy it from Amazon Video and Apple TV Store. See the full, country-by-country breakdown on our where to watch Marriage Toxin page.
If you liked it. Fans of Marriage Toxin tend to enjoy Rick and Morty, Demon Slayer: Kimetsu no Yaiba, Attack on Titan and Attack on Titan: No Regrets.
Frequently asked
- Where can I watch Marriage Toxin (2026)?
- In US, Marriage Toxin is available to stream on Crunchyroll, Crunchyroll Amazon Channel and YouTube TV, and rent or buy from Amazon Video and Apple TV Store. Availability varies by country — check our where-to-watch page for every region.
- Is Marriage Toxin worth watching?
- Marriage Toxin holds an audience score of 7.9 out of 10, and is a strong pick if you enjoy animation, action & adventure and comedy. Most viewers rate it highly.
- Who stars in Marriage Toxin?
- Marriage Toxin stars Haruki Ishiya, Shion Wakayama, Anna Nagase, Mariya Ise and Asaki Yuikawa.
- When was Marriage Toxin released?
- Marriage Toxin was released in 2026.