This is the story of Sister Rosette, an elite Exorcist in the Order of Magdalene, whose soul has been bound by alchemy to that of the devil Chrono. Armed with Sacred ammo, Rosette and Chrono form an unstoppable team, ready to wage war at a moments notice... because when the gates of hell are opened, someone has to put the devils back!

Chrono and Rosette are back, and there's a whole new legion of the damned out to get them! But this time they've got a little help in giving the devils hell, as Azmaria and a new demon hunter join the fight. Unfortunately, there are bigger, badder demons yet to come, and when the devil who kidnapped Rosette's brother resurfaces, it looks like the Magdalene Order may have met its match. Can our heroes cheat the devil out of his bargain?

As the forces of darkness continue their war against mankind, the depth to which the human soul can be corrupted becomes the catalyst for a nightmarish series of events. The horns of a devil take root in a child of God, a Devil's bargain is joined and Aion's monstrous plot to conquer Heaven itself advances one step closer to fruition.

The quest team's journey to find Joshua has begun, but all hell literally breaks loose when a certain well endowed Fraulein and an old enemy both show up on the train. As the jaws of a nightmarish trap snap shut only the Magdalene Order's elite training will keep them alive, but is even that enough? The forces of good may be hopelessly outmatched!

As Rosette and her companions get closer to locating Joshua, Aion and his demon cohorts launch a new offensive, forcing the Magdalene Order and their allies to fight a battle on multiple fronts, attacked from every angle. But something's wrong with Rosette herself, and the life bond she shares with Chrono may be threatened.

A new evil has surfaced to wreak havoc on mankind! Only the Order of the Magdalene and its band of elite exorcists stands a chance of stopping this horrendous demonic force. Can the world be saved from the clutches of evil? Demons, devils and wrong doers don't stand a chance when Rosette and Chrono are on the job.

Aion's plans have reached fulfillment and the thin blue line of the Magdalene Order is powerless to stop him. Will the ultimate plan of the Master of the Sinners reach fruition? All that remains to complete the overthrow of Heaven itself it is one final act of betrayal... a betrayal carried out by a Devil in a blue dress! The final volume of Chrono Crusade.

America in the roaring 20s, a place and time of gaiety and peace, has recovered gracefully from the Great War. Lurking in the shadows, though, is a dark being, ready to pounce upon that newly-gained harmony. Sister Rosette Christopher is an exorcist working as part of the Magdalan Order, and this gun-toting nun is on a mission to annihilate the demonic threat that plagues her world.

Within the shadows of a bustling American city, demons are on the prowl, stealing the souls of innocents and causing widespread panic. One person is fighting the infestation of these damned creatures and she shows little mercy. Clad in a habit and partnered by a faithful sidekick, Sister Rosette of the Magdalan Order continues her mission. This gun-toting nun may be tough, but this time, her past is resurfacing, beginning with a revelation: she has a brother!

Sister Rosette and company are about to embark on a mission to find Rosette's long-lost brother, last seen sporting the horns of a demon, but their journey might end before they leave the bright lights of the city. A powerful witch who threatens the gun-toting Sister is on a search of her own, and she is thirsty for revenge. A good ol' exorcism won't stop the wicked woman, nor will it rid this evil-crushing team of the sneaky spider-woman called the Puppet Master...

Rosette and company reach Chicago and they are attacked by a gang of demon-pursuers. They'll have to call on this city's chapter of the Magdalan Order to holy-roll their way into action and save the day! The road to San Francisco grows longer for our heroes.

Chrono and Rosette infiltrate Eden, the stronghold of the Sinners, in order to rescue both Joshua and Azmaria. Little do they know that pursuers from Pandaemonium have finally caught up with Aion, and when they launch an offensive of their own, all hell is going to break loose!