MARRIAGETOXIN anime revealed the creditless opening and ending video movies, as well as a special video of the voice cast dancing to the OP song. Studio BONES Film is handling the animation production, which premiered on April 3.
The opening song is “Kill or Kiss” by Yurina Hirate. Hirate commented:
When recording ‘Kill or Kiss,’ I wanted to channel the world of MARRIAGETOXIN and the tension between its two leads. It’s a track I’ve personally fallen in love with, a high-energy dance number driven by a sharp, aggressive beat and haunting synth arrangements. The sound perfectly captures that ‘sweet-yet-toxic’ duality, creating an addictive sonic experience that I think fans of the original manga will really resonate with. I’m counting down the days until the premiere myself. Let’s experience this journey together!
You can watch the creditless OP video on the official English Instagram or on the Japanese YouTube channel below.
In addition, the official MARRIAGETOXIN X account posted a video of the main voice cast performing the dance from the opening. It includes Haruki Ishiya (Hikaru Gero) and Shion Wakayama (Mei Kinosaki).
The ending song is “Shake Na Baby” by AKASAKI, who commented:
Hello, I’m AKASAKI, a college student singer-songwriter. I am truly honored to be performing the ending theme song for a TV anime for the very first time. And on top of that, to be involved with the wonderful work of MARRIAGETOXIN which is a series I have loved and followed for a long time, is something I am incredibly grateful for.
The song “Shake Na Baby” carries the message of the strength to keep pushing forward in your own way, even in a love full of mistakes.
I hope you enjoy the catchy phrases, as well as the energetic and nostalgic sound that matches the speed of the series, all while savoring the lingering feeling of the anime. May this song, alongside TV anime MARRIAGETOXIN, become a “First prize” memory in everyone’s hearts!
You can watch the ED video on the official English Instagram or on the Japanese YouTube below:
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The voice cast for the anime includes:
- Shion Wakayama as Mei Kinosaki
- Haruki Ishiya as Hikaru Gero
- Anna Nagase as Kyoko Himekawa
- Mariya Ise as Shizuku Ushio
- Asaki Yuikawa as Shiori Ureshino
- Soma Saito as Genya Naruko
- Hinano Shirahama as Kimie Arashiyama
- Simba Tsuchiya as Piichi Nakagawa
The anime is directed by Motonobu Hori, who is known for Carole & Tuesday and Metallic Rogue. Serving as Chief Animation Director and Character Designer will be Kohei Tokuoka, who served as Chief Animation Director for SK8 the Infinity and as Character Designer and Chief Animation Director for The Fragrant Flower Blooms with Dignity. Studio BONES Film is known for animating two ongoing hit titles, My Hero Academia FINAL SEASON and Gachiakuta.
Official synopsis:
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!
To win love, you’ve got to play with poison.
A high-stakes mission for the ultimate duo begins!
MARRIAGETOXIN full anime staff:
- Director: Motonobu Hori
- Series Composition & Script: Kimiko Ueno
- Character Design & Chief Animation Director: Kohei Tokuoka
- 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
- Music: Taisei Iwasaki, yuma yamaguchi
- Production Supervision: Bones
- Animation Production: Bones Film
- Production: MARRIAGETOXIN Project
Source: Press Release, MARRIAGETOXIN Official Website
©Joumyaku・Mizuki Yoda/SHUEISHA, MARRIAGETOXIN Project

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