The staff of Shueisha and BONES Film’s TV anime adaptation of Joumyaku and Mizuki Yoda’s MARRIAGETOXIN manga series confirmed that the new series will be streaming on Crunchyroll starting April 7 at 7:30 a.m. PT / 10:30 a.m. ET. New MARRIAGETOXIN episodes will be streaming weekly on Crunchyroll in simulcast with Japan, and episodes will launch on Tuesdays with English subtitles first, followed by an English dubbed version at a later date.
What’s more, Sakura-Con 2026 will host a special global screening premiere event for the MARRIAGETOXIN anime on April 4 ahead of its premiere on Crunchyroll.
Here’s the schedule of events for MARRIAGETOXIN at Sakura-Con this year:
MARRIAGETOXIN Panel – Battle for Marriage!
Join us and special guest Haruki Ishiya from the brand-new anime MARRIAGETOXIN to learn all about the new series, Ishiya-san’s experience, and get a closer look at “the world’s toughest mission for love!” Fans can also share questions and messages through the survey for a chance to have them featured by at the panel! https://forms.office.com/r/LVWfJe4CNP (Deadline: March 29, 5:00 p.m.)
When: Friday, April 3 at 4:00 – 5:00p.m. in Ballroom 3
Bandai Namco Filmworks Industry Panel
Get the latest on upcoming anime at the Bandai Namco Filmworks Industry Panel featuring a special guest appearance by Haruki Ishiya, the voice of Hikaru Gero.
When: Saturday, April 4 at 12:30 – 1:30p.m.
MARRIAGETOXIN Episode Screening Panel – Road to the Best Marriage!
Be the first in the world to watch MARRIAGETOXIN at the global premiere of the first episode, alongside special guest Haruki Ishiya, the voice of Hikaru Gero.
When: Saturday, April 4 at 4:30 – 5:30p.m.
Autograph Sessions
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- Autograph Session 1: Friday, April 3 at 1:30 – 2:30p.m. at Autograph Hall
- Autograph Session 2: Saturday, April 4 at 3:00 – 4:00p.m. at Autograph Hall
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In addition the opening theme song, a new six-part behind-the-scenes video series titled “The Making of MARRIAGETOXIN” will be released in the lead-up to the premiere.
Yurina Hirate performs opening theme song “Kill or Kiss,” and singer-songwriter AKASAKI will perform the ending theme song “Shake Na Baby.”
Motonobu Hori is directing the anime series. Kimiko Ueno is in charge of series composition and scripts, Kohei Tokuoka is the character designer and chief animation director, and Taisei Iwasaki and yuma yamaguchi are the music composers. BONES Animation is supervising the production by BONES Film and MARRIAGETOXIN Project.
Additional staff includes:
- Sub Character Design: Yurika Sako
- Costume Design: Kotono
- Prop Design: Ayumi Nagaki, Ryo Hirata
- Art Design: Toshiki Amata
- Art: Bihou
- Color Design: Hiroko Umezaki
- Photography Director: Go Kanbayashi
- 3DCG: SANZIGEN Inc.
- CG Animation Director: Taiki Nagashima
- Editing: Kumiko Sakamoto
- Sound Director: Haru Yamada
- Sound Effects: Tomokazu Mii
The confirmed cast of the anime includes:
- Hikaru Gero: Haruki Ishiya
- Mei Kinosaki: Shion Wakayama
- Kyoko Himekawa: Anna Nagase
- Shizuku Ushio: Mariya Ise
- Shiori Ureshino: Asaki Yuikawa
- Genya Naruko: Soma Saito
- Kimie Arashiyama: Hinano Shirahama
- Piichi Nakagawa: Simba Tsuchiya
- Akari Gero: Haruka Shiraishi
- Toshiki Hanamaki: Isamu Yusen
Here’s an overview of the anime, courtesy of Shueisha:
For centuries, the deadly arts have been perfected by those known as the Masters. Among them, the Poison Masters of the Five Great Families hold the most fearsome power and influence. Hikaru Gero, heir to the Poison Masters’ Gero Family, has lived his entire life in the underworld, far removed from love or marriage.
But when the Gero Family head decrees that Hikaru’s sister must bear an heir to preserve the bloodline – by force if necessary – Hikaru resolves to protect her at all costs. It is then that Hikaru encounters Mei Kinosaki, a brilliant marriage swindler who becomes the target of his latest job. Realizing that the only way of solving the family succession problem and protecting his sister is through marriage, Hikaru impulsively asks Mei for help in finding a bride.
“That’s the first time anyone’s ever proposed like that.”
And so, with the cunning marriage swindler Mei as his advisor, elite assassin Hikaru embarks on the most challenging mission of his life: finding a wife!
Their goal: the ultimate marriage.
This is the world’s toughest mission for love, brought to you by the ultimate duo – an assassin and a marriage swindler!
