How Well Do You Know Firefly Wedding?

Learn More About Firefly Wedding

Firefly Wedding, known in Japan as Hotaru no Yomeiri, premieres October 9, 2026 on Fuji TV’s Noitamina programming block, a slot historically reserved for prestige, boundary-pushing anime. The series is produced by David Production and directed by Takahiro Kamei, adapting a manga created by Tachibana Oreco, who is also known for the series Promise Cinderella.

The manga was serialized on Shogakukan’s Ura Sunday platform and MangaONE app from January 2023 through February 2026, meaning the source material wrapped up its run right as the anime adaptation was preparing to premiere, a tidy bit of timing for newcomers who want to catch up on the full story before or alongside the anime.

Set during Japan’s Meiji era, the story follows Satoko Kirigaya, a countess from a respected noble family gifted with beauty and intelligence but limited by a serious heart condition that has left her with a short declared lifespan. Determined to secure a beneficial marriage for her family before her time runs out, Satoko’s plans are upended when she is targeted by an attacker and comes face to face with Shinpei Goto, a professional assassin who had actually been hired to kill her.

In a moment of desperation, Satoko proposes marriage instead of running, and what begins as a convenient lie between a target and the man sent to eliminate her slowly turns into real devotion on both sides. The anime’s main cast includes Lynn as Satoko and Koki Uchiyama as Shinpei, with character designs handled by Yukiko Aikei, previously known for her work on Your Lie in April.

The family drama surrounding Satoko is just as central to the story as the central romance. Her father, Jubei Kirigaya, remarried shortly after the death of his first wife, and his new wife, Rie, made no secret of her dislike for her stepdaughter, tension that only deepened after the birth of Satoko’s younger half-sister, Miwako. That fraught household context helps explain why Satoko’s proposal to Shinpei plays less like an impulsive whim and more like an escape from a home that was never fully safe for her either.

Test your knowledge of the story above, then take our character quiz to find out which Firefly Wedding character matches you best.

Firefly Wedding sits alongside a wave of Meiji-era and historical romance manga that have found renewed popularity in recent years, offering a change of pace from the more common contemporary or fantasy settings that dominate the genre. The period setting, with its rigid class structures and arranged marriages, gives the central romance between Satoko and Shinpei an added layer of tension, since both characters are constrained by social expectations that make their growing feelings for each other genuinely dangerous to act on.

Anime News Network and other outlets covering the announcement have noted that Noitamina’s programming slot has historically been reserved for shows aiming for a slightly older, more emotionally complex audience than typical Friday-night anime blocks, which lines up well with Firefly Wedding’s blend of romance, family drama, and suspense. With the manga’s full run now complete, the anime has the rare advantage of adapting a finished story rather than racing to catch up with an ongoing source.