The Spring 2026 anime season continues to deliver thrilling action and romance with MARRIAGETOXIN. The series is heading toward its finale, and fans are eager for Episode 12, which will release on June 23, 2026. Produced by the studio behind My Hero Academia, the show has blended high-stakes assassin battles with a uniquely awkward romantic comedy premise. The series is scheduled for a total of 13 episodes, with the final installment airing a week later on June 30, 2026.
Episode 12 Global Release and Streaming Information
MARRIAGETOXIN Episode 12 will premiere on Tuesday, June 23, 2026. The release time varies by region, with the global simulcast occurring at specific times. For viewers in the United States, the episode drops at 7:30 a.m. PT / 10:30 a.m. ET. For other regions, it will be available at 2:30 p.m. GMT and 4:30 p.m. CEST.
The series is streaming exclusively on Crunchyroll for audiences worldwide. The platform offers the series with both English subtitles and an English dub. In Japan, the anime airs on the “Ka-Anival!!” programming block on Kansai TV and Fuji TV.
Here is the complete episode schedule for the season:
- Episode 1: April 7, 2026
- Episode 2: April 14, 2026
- Episode 3: April 21, 2026
- Episode 4: April 28, 2026
- Episode 5: May 5, 2026
- Episode 6: May 12, 2026
- Episode 7: May 19, 2026
- Episode 8: May 26, 2026
- Episode 9: June 2, 2026
- Episode 10: June 9, 2026
- Episode 11: June 16, 2026
- Episode 12: June 23, 2026
- Episode 13: June 30, 2026
Episode 11 Recap: The Beast Master Arc Intensifies
Episode 11 of MARRIAGETOXIN advanced the “Beast Master Arc” to a critical point. The episode saw Piichi and Kinosaki fighting their way through Dogo’s hideout, the Dogo Animal Kingdom, to confront the main antagonist, Toshiro Dogo.
The episode featured two major extended battles. One segment focused on Piichi’s fight against Byakko, Dogo’s loyal maid and a member of the Beast Clan, who fought in a polar bear suit. A flashback to Byakko’s childhood revealed her and her mother’s low status within the clan’s hierarchy, a recurring theme of class and bloodline privilege. This backstory was intended to humanize the antagonist, though some reviews noted it felt emotionally thin. Despite the tragic story, Piichi easily defeated Byakko, a moment that was criticized for undermining the intended pathos.
The episode also showcased the fight against the “Frankenbeast,” a gigantic monster created by Dogo from a cocktail of blood from 99 bloodlines. The animation quality during these battle sequences received mixed reactions, with some praising the choreography and others noting that a jarring mix of 2D and 3D animation for the monster broke immersion.
One of the standout romantic moments occurred when Piichi received a call from his girlfriend, which spurred him to fight with renewed determination. This classic shonen trope was a charming character beat. Meanwhile, the episode largely sidelined Kimie, a character positioned as a central emotional anchor in this arc. Her total screen time was minimal, and her subplot contributed little to the jailbreak plot, leading to some criticism.
What Happened in Previous Episodes
The series follows Hikaru Gero, an heir to a clan of Poison Masters who is one of the best assassins in the world. When his family orders his sister to have a child to continue the bloodline, Gero refuses to let her give up on her chance at true love. He turns to Mei Kinosaki, a notorious marriage swindler who is actually a man crossdressing as a woman, for relationship advice.
Earlier episodes established Gero’s attempts to find a bride and navigate the violent criminal underworld. The series explored different “Masters,” powerful assassins from various clans, and introduced multiple potential romantic interests for Gero, including Ushio, a Fire Master. The “Beast Master Arc” began with Episode 8, as Gero and his allies stormed the Beast Clan’s territory to save a comrade and confront Toshiro Dogo.
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What to Expect in Episode 12
With the finale approaching, Episode 12 of MARRIAGETOXIN is poised to deliver a satisfying conclusion to the “Beast Master” conflict and perhaps the first season. The previous episode ended on a major cliffhanger, with Hikaru getting back up and triple-dosing, knowing it could be his last battle. Dogo had just revealed his transformation, using Byakko’s sacrifice to become a powerful monster.
The show’s key strength has been its ability to balance high-stakes action with small domestic romantic beats. The finale will need to deliver meaningful resolutions for Kimie and Gero’s arcs, ensuring the slower pacing of Episode 11 leads to a satisfying payoff. With one more episode to go after Episode 12, the series appears to be building towards an intense finale on June 30, 2026.
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