A top assassin's hardest task isn't about killing someone.It's finding a wife.
That idea helped turn the Shonen Jump+ manga "Marriagetoxin" into one of the best shows of Spring 2026.
The creators, Joumyaku and Yoda Mizuki, are already working on a second season set for January 2027.
The story centers on Hikaru Gero, a top assassin who is tasked with finding a wife to secure an heir.
His latest target is a woman named Mei Kinosaki, who turns out to join him on the mission.The manga, which runs on Shueisha's Shonen Jump+, has sold over a million copies worldwide and its anime version, directed by Hori Motonobu, is now streaming on Crunchyroll.A second season is set to debut in January 2027.
Joumyaku says the idea for the manga began with the simple thought of "a Poison Master looking for marriage." As they built the characters and story, they added in things they had read, experienced and learned over time.
The audience has responded better than the creators expected.
Joumyaku credits the anime team for staying true to Yoda's character designs and action sequences.Yoda thanks the readers, the people involved in making the series, and Joumyaku for working together."What really surprises me is how many people have enjoyed the series," Yoda says."That's why Volume 1 was immediately reprinted and the dream of an anime came true."
Both creators are excited about the second season.
Joumyaku promises more amazing heroines will appear, making the relationships around Gero even more interesting."There's a lot of cool action coming your way," Joumyaku says, adding they're excited to share it with fans.Yoda also mentions new heroines and characters they like will join the show.
Even though most characters are adults, the story still fits the shonen genre.
Joumyaku explains the main character's growth is the story's main focus, which is why relationships and identity are so important.Yoda, who draws the manga, says the story was created by Joumyaku and the editor, but the emotions are already clear in the storyboards.For an artist who loves to express strong feelings, it’s a fun story to draw.
This approach has also made the way the story handles gender identity stand out as very progressive for the genre.
Joumyaku says the subversive parts came naturally, not as a plan from the start.The main character is caught between family expectations and wanting to live truly."I have a rough idea of where things go by the end, but it feels like we're building the story together as we figure out how the main character deals with everything," Joumyaku says.
When asked about designing Kinosaki, Yoda explained, "I was told this character would appear in both traditionally masculine and feminine clothing, so I made her look good in either style."
Working with Hori, who has worked on shows like "Metallic Rouge" and "Carole & Tuesday," has also influenced the manga.
Ideas from the anime's script meetings have helped shape parts of the original manga, like the car-splitting sequence in Episode One, which shows the amount of skill and creativity involved.
They picked a moment from Chapter 12 of Volume Two where Ureshino throws yakisoba on her head as the scene that stuck with them the most.
They mention that it got a proper storyline in Part B of Episode Four."It was amazingly good," Joumyaku says.
Yoda says the action in the anime was much better than what was in the manga panels.
They watched it and said, "So this is how they were moving all along." They also said that seeing how Kinosaki's eyes were shown in the anime made them draw the character bigger and cuter in the original material.
Looking ahead to the manga's ending, Joumyaku says the desire to give everything to the story's finish grows stronger every day.
Yoda says they never thought their dream of seeing their character designs made into figures would actually happen, and now they want to draw even better characters and illustrations that can also become figures.
