A desperate marriage proposal is set to redefine the noitaminA block in October 2026. Shogakukan inaugurated the official website for Hotaru no Yomeiri (Firefly Wedding) this Monday, confirming that David Production will animate Oreco Tachibana’s manga under director Takahiro Kamei and character designer Yukiko Aikyou.
The visual teaser immediately establishes a high-stakes atmosphere, perfectly mirroring the premise where Satoko, a noblewoman with a terminal heart condition, is kidnapped by mercenaries. Cornered and out of options, she feigns love at first sight to propose to Shinpei Gotou, the legendary assassin hired to end her life. Gotou’s acceptance triggers a perilous escape, forcing Satoko to sustain her deception against a man as lethal as he is enigmatic.

Commercial Momentum and Acclaim
This project rides a massive wave of critical acclaim and commercial momentum. Since launching on MangaONE in January 2023, the series has rapidly accumulated 3.5 million copies in circulation. The industry has taken note, with the work ranking tenth in the Tsugi ni Kuru Manga Taisho 2023 and ninth on the women’s list of Kono Manga ga Sugoi! 2024.
These accolades suggest a depth beyond a standard survival romance, likely rooted in the psychological tension between a dying woman and the killer she must manipulate to survive. David Production’s involvement signals a commitment to visual fidelity that could translate the manga’s dramatic tension into a fluid, high-impact animation style suitable for the prestigious late-night slot.
A Contract Based on a Lie
The core conflict hinges on the volatility of a contract based on a lie. Satoko’s rejection of prior marriage proposals to avoid being a burden contrasts sharply with her reckless gamble on Gotou, creating a compelling character arc defined by desperation rather than affection.
As the escape unfolds, the boundary between her fabricated love and the reality of their dangerous partnership will inevitably blur. The “desperate” qualifier in the proposal implies a ticking clock—both from her medical condition and the constant threat of enemies—that will drive the pacing. With the premiere date locked for 2026, the production team has ample time to ensure the adaptation avoids plot holes and plants the necessary seeds for this complex relationship to pay off.
If the assassin discovers the truth behind her proposal, will he finish the job or honor the contract?

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