Falling in Love on the Path to Hell Volume One

"The sun set on samurai and gunslingers at roughly the same time, but our two leads didn't die off quietly. In the East, a samurai would rather die with her weapons than surrender them to a sword hunt. In the West, the gunslinger follows his revenge to the bitter end. The future lovers are mortally wounded a world apart and awake together in a purgatory ruled by a ruthless society of damned warriors. Asami and MacRaith will need to overcome the dead, the dying, and the undead"--