Marriage Toxin Anime Reveals Second Trailer and Theme Songs
The anime about a lethal assassin looking for a wife reveals its second trailer and theme songs.

Finding true love is an extremely complex mission, but when your entire life has been dedicated to the dark art of assassination and poisons, getting a blind date becomes a survival challenge. This Monday, the production committee behind the anime adaptation of the popular manga written by Jomyaku and illustrated by Mizuki Yoda, Marriage Toxin, released its second promotional trailer. The electrifying video preview served to officially confirm that the series will begin its broadcast on Japanese television on April 7 through the new late-night programming block "Ka-Anival!!" on Kansai TV and Fuji TV.

In addition to showing new sequences of frantic action, the promotional video revealed the project's main soundtrack for the first time. Fans were able to hear a snippet of the opening titled "Kill or Kiss," performed by artist Yurina Hirate, as well as the rhythmic ending "Shake Na Baby," by singer-songwriter AKASAKI.
Marriage Toxin Details
The complex task of animating the fast-paced combat choreographies and romantic comedy was left in the hands of studio Bones Film, operating under the direct supervision of the legendary studio BONES. The director's chair is occupied by Motonobu Hori, while Kimiko Ueno is in charge of the series composition and script structure. The original designs are being adapted for animation by Kohei Tokuoka, who also serves as the chief animation director. The frenetic sound department is a joint work of composers Taisei Iwasaki and Yuma Yamaguchi.
The extensive official statement reaffirmed the participation of the talents that will make up the dynamic main voice cast for this unusual story of love and bullets:
- Haruki Ishiya as Hikaru Gero.
Voice actor responsible for bringing to life the lethal and socially awkward heir to the poison clan who is desperately searching for a wife.
- Shion Wakayama as Mei Kinosaki.
Acclaimed by the otaku community after portraying Takina Inoue in Lycoris Recoil, playing the brilliant marriage swindler who will guide the protagonist.
- Anna Nagase as Kyoko Himekawa.
Rising young talent recognized for her role as Ushio Kofune in Summertime Render, joining the project as one of the heroines.
- Mariya Ise as Shizuku Ushio.
A true industry veteran, world-famous for playing Killua Zoldyck in the shonen phenomenon Hunter x Hunter.
- Soma Saito as Genya Naruko.
Unmistakable and highly popular voice for his role as Chigiri Hyoma in the hit sports anime Blue Lock.
- Haruka Shiraishi as Akari Gero.
Actress who will play the protagonist's younger sister, whose fate is the main narrative engine of this romantic odyssey.
Jomyaku and Mizuki Yoda joined forces to begin serializing this explosive deconstruction of romantic comedies through Shueisha's popular Shonen Jump+ app in April 2022. The undeniable chemistry between its protagonists, combined with the ingenious battles between different specialized assassin clans, catapulted the work to the top of popularity. The commercial success of the print format will allow the release of its seventeenth compiled volume in Japanese stores on April 3, just in time to celebrate the television debut.
Marriage Toxin Synopsis
For centuries, various families of assassins have perfected lethal arts in the shadows of the criminal world. Among them, the most feared is that of the Poison Masters. Hikaru Gero, the current heir to the Gero clan, has spent his entire existence immersed in this dark underworld, completely ignoring any concept of love, dating, or marriage. However, his life takes a drastic turn when the family matriarch decides that Hikaru's younger sister must forcibly produce an heir. Willing to protect his sister at any cost, Hikaru promises to marry and father the next clan leader himself. The only problem is that he has no idea how to approach a woman. That's when his path crosses with Mei Kinosaki, a charismatic and brilliant marriage swindler who was to be his next target. In exchange for sparing her life, Hikaru hires Mei as his personal consultant to find the perfect bride. Together, an elite assassin and a swindling genius will embark on the most dangerous and ridiculous mission of their lives: achieving the ultimate marriage in a world plagued by hitmen and madness.
What kind of dark or defensive skills do you think the ideal candidate should have to survive being married to the underworld's greatest poison expert?
Related
Reactions
Share
Related articles

Mahōtsukai no Yoru: Everything We Know About the Upcoming Movie Premiere

The Demons Plan Something Good: Meet the Cast and 2027 Release Date

The Hidden World of AI Fanfiction: From Doki Doki Literature Club to Repetitive Fantasies
0 Comments
You must log in to leave a comment
Be the first to share your thoughts on this article.
No comments yet
Be the first to share your thoughts on this article.

