Hotaru No Yomeiri

Hotaru No Yomeiri summary:

A romance story set in the Meiji era. Born into a prestigious family and blessed with good looks, Satoko is said to have a short life expectancy. But suddenly, her life is targeted by a mysterious killer...!?In order to survive on the spot, Satoko makes a "proposal" for the killer...!? - A young lady and an assassin... A contract marriage love suspense between two people who should never meet!