Meiji-era Japan. Satoko Kirigaya, the gifted daughter of an earl, has a weak heart and has been told she does not have long. When mercenaries kidnap her, one of them, the legendary assassin Shinpei Gotō, is ordered to finish her. Out of options, Satoko looks her killer in the eye and proposes: it was love at first sight, so marry me. Shinpei takes the bait and swears to protect her with everything he has.
- Meiji era
- Historical romance
- Suspense
- Shogakukan, Ura Sunday and MangaONE
The kidnapping
An earl’s daughter is taken by mercenaries in the dark.
The proposal
Facing her executioner, Satoko asks him to marry her.
The vow
Shinpei, an assassin who has never lost, swears to keep her alive.
Tennyo Island
He takes her to an island pleasure quarter, far from her world.
A way home
Satoko plays along while quietly searching for a way back.
Borrowed time
Her failing heart sets a clock neither of them can stop.
A Meiji world in transition
The Meiji era (1868 to 1912) was a period of rapid modernization, when Western dress, gaslight and new money sat beside old aristocratic rules. Satoko belongs to that new nobility, which is exactly why her life is worth so much to the people who want it ended.
Tennyo Island
Shinpei hides Satoko on Tennyo Island, a red-light district cut off from the capital. There she works as a courtesan while looking for a way home, and the island becomes the stage where her fake marriage starts to feel real.
Themes
Firefly Wedding is about choosing how to live when time is short. It asks whether love that starts as a survival tactic can become the real thing, and what devotion looks like from a man trained only to kill.
The manga at a glance
Oreco Tachibana’s Firefly Wedding manga ran from January 2023 to February 2026, followed by seven side chapters. Shogakukan has released 12 volumes in Japan, with Volume 13 and a special side-story volume due on October 19, 2026. VIZ Media’s English print edition reached Volume 8 in October 2026.
Production notes
- Original work
- Oreco Tachibana · 橘オレコ
- Animation studio
- david production
- Director
- Takahiro Kamei · 亀井隆広
- Series composition
- Yūko Kakihara · 柿原優子
- Character design
- Yukiko Aikei · 愛敬由紀子
- Music
- Nogrid
- Opening
- iri, “Period”
- Ending
- TOOBOE, “夢心地 (Yumegokochi)”