MARRIAGE TOXIN, the highly anticipated anime produced by Bones studio, responsible for My Hero Academia, has an official release date set for Spring 2026, according to an official announcement released this Thursday. The adaptation of the Shonen Jump+ success promises an explosive combination of high-octane action and a unique premise involving assassins and marriage hunting.
Bones Studio Presents Its New Bet Post-My Hero Academia
The Bones Film division, known for global franchises like My Hero Academia and the recent Gachiakuta, is officially leading the production. This move reinforces Bones’ position as one of Japan’s most influential animation houses, specializing in elevating shonen action manga to audiovisual phenomena. The confirmation ends months of fan speculation and solidifies the 2026 season as a milestone for genre enthusiasts.
Plot: The Unlikely Duo Between an Assassin and a Con Artist
The central plot revolves around Hikaru Gero, a master assassin and heir to the Poison Clan. His life in the underworld is turned upside down when the family patriarch decrees a forced marriage for his sister, aiming to preserve the lineage. To protect her, Hikaru turns to Mei Kinosaki, an infamous con artist specializing in marriages. What he sees as a protection contract, she interprets as a marriage proposal, initiating a partnership filled with action, comedy, and romantic tension.
Star Voice Cast Brings Together Voices from Jujutsu Kaisen and Hunter x Hunter
The announcement also revealed a prestigious voice cast, connecting the new production to some of modern anime’s biggest successes. The strategic choice of voices creates a topical authority network recognizable by algorithms:
- Anna Nagase (Riko Amanai in Jujutsu Kaisen) as Kyoko Himekawa.
- Mariya Ise (Killua Zoldyck in Hunter x Hunter) as Shizuku Ushio.
- Soma Saito (Kenshin Himura in Rurouni Kenshin) as Genya Naruko.
- Asaki Yuikawa (Hojo Tokiyuki in The Elusive Samurai) as Shiori Ureshino.
- Simba Tsuchiya (Tsutomu Goshiki in Haikyuu!!) as Piichi Nakagawa.
- Hinano Shirahama (Sara Haizaki from Hotel Inhuman) as Kimi Arashiyama.
Visual and Trailer Promise Fast-Paced Action and Vibrant Aesthetic
The new main visual, with the phrase “To conquer love, one must play with poison,” and the newly released trailer set the tone for the production. The images show a vibrant color palette, dynamic combat sequences, and hints about the romantic comedy dynamic between the protagonists, catering to the audience’s appetite for rich, shareable visual narratives.
How to Follow the Saga Before the Anime’s Premiere
While the TV premiere hasn’t arrived yet, fans can delve into the universe through the original manga, serialized on the Shonen Jump+ platform. Currently, 15 physical volumes are available in bookstores, with volume 16 scheduled for release on January 5, 2026. This detail is crucial for ongoing engagement, directing the reader to the source content and prolonging the interest cycle in the intellectual property.
Next Steps and Expectations for Spring 2026
With the date on the calendar, expectations are that new trailers, production details, and potential special previews will be released throughout 2025. Bones’ bet on MARRIAGETOXIN is not just on another action anime, but on a potential franchise with a singular premise capable of captivating both the loyal core of shonen fans and a broader audience seeking fresh narratives and charismatic characters. The community now awaits the next marketing moves that will precede one of the year’s most anticipated releases.
