The air of celebration surrounding fifteen-year-old Oz Vessalius's coming-of-age ceremony quickly turns to horror when he is condemned for a sin about which he knows nothing. He is thrown into an eternal, inescapable prison known as the Abyss from which there is no escape. There, he meets a young girl named Alice, who is not what she seems. Now that the relentless cogs of fate have begun to turn, do they lead only to crushing despair for Oz, or is there some shred of hope for him to grasp on to?

If you like PandoraHearts, then you'll love Crimson-Shell, Jun Mochizuki-sensei's debut Rescued from the darkness by Xeno, a mysterious swordsman, Claudia the Rose Witch is the foundation of the Crimson-Shell, a special division of the Red Rose-an organization aiming to capture the results of one mad scientist's experiments, the deadly Black Roses. But when Xeno's loyalties are called into question, will Claudia be strong enough to believe in her dearest friend? And what is the color of the rose blooming in Xeno's heart-a deep, passionate crimson...or a traitorous jet-black?

Having returned from the infernal Abyss only to find his whole world changed, young "sinner" Oz Vessalius embarks on an attempt at normalcy after being reunited with his best friend and valet, Gilbert, whom he had presumed dead. But during a trip into town with Gil and Alice, an unexpected encounter leads Oz down memory lane...For Oz, however, the path is one covered with the most menacing of thorns. And lying in wait to assail him there...The baleful eye of his father and the echoes of cursed words Oz would much rather forget...

As Oz Vessalius and his valet, Gilbert, are reunited with their dear Uncle Oscar, they fail to notice an alienated Alice lost in thought stumbling right into the lurking Xerxes Break. Before Alice can take heed of Break's warning of a trap set by the Cheshire Cat - a powerful, extraordinary chain - she and Break are spirited away to Cheshire's lair, where both danger and fragments of Alice's past reside. With Sharon's help, Oz and Gil find a way to enter the sealed dimension of memories, but not only do their allies await them there, so too does the man from Alice's earlier memory Does he...

Guided by Jack Vessalius, the man from Alice's memories, Oz wanders back into the world of lost memories in search of Alice. There, he stumbles upon the devastating tragedy of Sablier, the century-old disaster which sent the old capital into the Abyss, an incident of which no one has any recollection...except Alice, who was there? When Oz discovers the truth of the memories Alice so desperately wants to forget, the powers of the B-Rabbit will spiral out of control and threaten the lives of all who are trapped within the dreamlike dimension, including Alice herself...

The past holds everyone in its thrall, and Oz, Alice, Raven, Break, and their acquaintances are no exception, especially as recollections of the tragedy of Sablier elude even those who were present. Indeed, with his own body playing host to Jack Vessalius, the hero of Sablier, the likelihood of Oz escaping the past seems nigh impossible. But given a renewed lease on life by Elliot Nightray - the legitimate heir to the Nightray dukedom, of all people - Oz is eager to keep moving forward by learning all that he can about the events that came to pass all those years ago. To this end, he and his...

The snow-white maiden encountered once upon a time in the depths of the Abyss by the clown christened the Red-Eyed Specter...who was she really? As there are two sides to every story, could it be there are two sides to the existence known as Alice? Duke Barma may have provided a sordid outline, but Break colors the tale with vivid swathes of bloody crimson as he opens up about his past. Will these tragic truths long secreted away isolate Break further from his allies once he has revealed them?

Oz Vessalius hat seinen Kurzbesuch im "Abyss" überlebt, aber er ist noch kein Stück näher daran, die Wahrheit hinter der 'Sünde' zu entdecken, für die er verurteilt wurde. Da erscheint ihm ein mysteriöser Fremder, gerade als Alice die erste ihrer Erinnerungen wiedererlangt. Auf den Ratschlag dieses Fremden hin bricht Oz zusammen mit Alice und Pandora's Raven zu einer Mission auf.§Was als einfache Suche beginnt, wird jedoch schnell zur Enthüllung einer viel härteren Realität. Und die Zeiger der Uhr wandern unbarmherzig und unaufhaltsam weiter...

Auch nachdem Oz Vessalius und sein Diener Gilbert wieder vereint sind, finden sie keine Ruhe ihr Wiedersehen gebührend zu feiern. Alice sieht sich mit einem unglaublich starken Chain, namens Chesshire konfrontiert...