The Marriage Toxin anime has completed its first season and been renewed for a second season in 2027. The series aired on Fuji TV's Ka-Anival!! block and streams on Crunchyroll.
The Marriage Toxin anime, adapting the Shonen Jump+ manga by Joumyaku and Mizuki Yoda, premiered on April 7, 2026, as part of Fuji TV's Ka-Anival!! programming block. The series is directed by Motonobu Hori at studio Bones Film, with series composition by Kimiko Ueno and character designs by Kohei Tokuoka. Crunchyroll streams the show and produces the English dub, directed by Leeo George with scripts by Clayton Browning. The English cast includes Ethan Gallardo as Hikaru Gero, Brittney Karbowski as Mei Kinosaki, and Taylor Murphy as Akari, with Alex Horn joining as Genya Naruko.
The first episode introduced Hikaru Gero, an elite assassin who decides to pursue marriage to avoid pressuring his lesbian sister into family obligations. He meets Mei Kinosaki, a marriage swindler who becomes his ally. The series has been noted for its queer and gender-nonconforming themes, with the premiere reviewed positively by Anime Feminist for avoiding harmful humor. As the season progressed, the show leaned into battle shonen tropes, introducing characters like Kimie from the Beast Clan and the Bird Master, an absurdist assassin. Episode 12 closed the first arc with Gero's fight against Dogo, where he unlocked a new poison power by overdosing, though the review noted uneven emotional stakes and padded exposition.
The final episode of the first season announced a second season set for 2027, with a promotional video. The series also expanded into merchandise: Banpresto will release a GLITTER & GLAMOURS prize figure of Mei Kinosaki, standing 21 cm tall with clear gradient hair parts, scheduled for crane games from June 23, 2026. A collaboration cafe with Share CAFE ran from June 12 to June 28, 2026, at three locations in Tokyo, Osaka, and Fukuoka, themed around a rooftop setting with new character art of Gero and Kinosaki.
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The final episode of the Marriage Toxin anime announced a second season set for 2027. The series, which debuted in April 2025, aired on Fuji TV's new Tuesday night block and streamed on Crunchyroll. The announcement came with a promotional video.
Episode 12 of Marriage Toxin wraps up the current arc with a focus on Gero's fight against Dogo. Gero unlocks a new poison power by overdosing, while Kimie rallies Beast Clan members to tame Dogo's chimera form. The review notes the animation is strong but the emotional stakes feel low and the exposition is padded.
Banpresto will release a prize figure of Mei Kinosaki from the TV anime Marriage Toxin as part of its GLITTER & GLAMOURS series. The figure stands approximately 21 cm tall and uses clear parts for the character's gradient hair. It is scheduled to appear in crane games from June 23, 2026.
A collaboration cafe between the TV anime "Marriage Toxin" and Share CAFE will run from June 12 to June 28, 2026, at three locations in Tokyo, Osaka, and Fukuoka. The theme is "Rooftop," with new illustrations of Gero and Kinosaki in refreshing outfits. The menu includes seven drinks and seven sandwiches, each with a bonus item. Original goods will be sold in-store and online via Anique Shop. Visits require a free web reservation.
Episode 9 of Marriage Toxin shifts focus from Kimie to a battle on the Beast Clan's island, where Gero faces the Bird Master, an assassin whose gimmick involves playing baseball while flying on birds. The episode leans into the absurdity of its fights, producing strong visual gags and a genuinely hilarious antagonist, though the series' internal logic continues to waver.
Anime Feminist reviewed the premiere of Marriage Toxin, an anime about an elite assassin who decides to pursue marriage to avoid pressuring his lesbian sister into family obligations. The episode introduces Hikaru Hero, a skilled killer who also enjoys DIY candy kits and is deeply uncomfortable with romance. He meets Mei Kinosaki, a marriage swindler who becomes his ally in finding a partner. The review highlights the dynamic between Hikaru and Mei, noting that Mei's gender presentation is layered and that Hikaru's awkwardness around romance avoids transphobic jokes. The fight scenes are described as intense, and the setup positions Mei as the only person who might tolerate Hikaru's idiosyncrasies. The reviewer expresses strong investment in the story and anticipation for future episodes.
Episode 8 of Marriage Toxin returns to its usual formula after last week's wedding detour, introducing Kimie, a bachelorette from a branch of the Beast Clan assassin family. Kimie makes the strongest first impression of any heroine so far, with her aggressive fandom for Gero and her low status in the assassin hierarchy adding both comedy and worldbuilding. The episode also introduces a mystery hitman targeting pro assassins.
Voice actor Alex Horn has joined the English dub of the television anime Marriage Toxin. Horn announced the role on social media on May 12, 2026, confirming he plays Genya Naruko, a sound master. The episode featuring the character is now streaming on Crunchyroll. The dub is directed by Leeo George, with scripts adapted by Clayton Browning. The series premiered on April 7, 2026, as part of the Ka-Anival!! programming block. Crunchyroll is streaming the show and producing the English version. The anime adapts the manga by Joumyaku and Mizuki Yoda, which has been serialized in Shonen Jump+ since 2022 and collected into twelve volumes. Viz Media publishes the print edition in English. The Japanese cast includes Haruki Ishiya as Hikaru Gero, Shion Wakayama as Mei Kinosaki, and Soma Saito as Genya Naruko. The previously announced English cast features Ethan Gallardo as Hikaru, Brittney Karbowski as Mei, and Taylor Murphy as Akari. Motonobu Hori directs the series at studio Bones Film, with series composition by Kimiko Ueno and character designs by Kohei Tokuoka.