Satoko is running out of time. To her noble family, her terminal illness makes her nothing more than a liability, but she is determined to secure a marriage that will restore her honor before her clock runs out. That is, until her plans are violently derailed by Shinpei, a cold-blooded assassin sent to end her life. Staring down the edge of a blade, Satoko plays her final, most desperate card: she proposes to her own killer.

But she gets far more than she bargained for. Shinpei accepts her proposal, but his brand of love is dark, suffocating, and terrifyingly absolute. For this unhinged assassin, until death do us part isn't just a wedding vow—it is a promise carved in blood. Can Satoko survive a marriage to a monster who is utterly obsessed with her, or will her desperate gamble prove to be her ultimate undoing?

Dive into Firefly Wedding, a masterfully crafted, breathless historical romance that blurs the lines between passion and peril. Featuring intense psychological tension and a male lead whose devotion is as beautiful as it is terrifying, this is the ultimate dark romance manga you won't be able to put down. Prepare yourself for a thrilling ride where love truly is a matter of life and death.

dark romance manga, historical romance, yandere male lead, suspense drama, assassin romance, marriage of convenience, shojo manga, obsessive love, psychological romance, tragic love story