Set in a fictional end of the 19th century England, the story revolves around a teenage boy named Allen Walker who is cursed with a cross mark on his hand that turns his arm into an enormous weapon, which he uses to hunt down and kill akumas. An akuma, generated by a 1,000-year-old phantom, is implanted into a human's soul during a moment of devastation and despair. The phantom uses the demons to then carry out his goal: destroy all humankind.

Allen Walker continues the tale of his past as an orphan child working in a circus. He was called Redarm then and knew little but misery in that life. He did, however, befriend one of the clowns, Campbell, and his dog, Allen. Another clown, Cosmo, hated both Campbell and Redarm and performed a dispicable act in order to torment them. Meanwhile, Allen’s future master, Cross Marion, was finally reaching the end of a long hunt for a most elusive quarry. -- VIZ Media

A cursed teenage boy saves mankind one soul at a time. D.Gray-man is the story of Allen Walker, who roams a fictional 19th-century Earth in search of Innocence, a mysterious substance used to fight demons known as akuma.

It's been three months since Allen Walker's mentor, Cross Marian, pulled his latest disappearing act. Allen and fellow exorcist Kanda now learn of an odd new threat known only as G. G plans to steal a valuable crown from the Louvre, so Allen and Kanda join the local constabulary in trying to prevent the theft. This leads to a surprise discovery that could have no small significance for the future of the Black Order! -- VIZ Media

Allen and Lenalee are sent on a mission to a city where time has stood still, a place where the townsfolk forget that every day is the same day repeating itself. Strangely enough, a woman named Miranda is the only one unaffected by the time warp. Would it have anything to do with her being fired from her job for the hundredth time? -- VIZ Media

Teen exorcist Allen Walker is given his first assignment, and his perilous mission takes him to southern Italy, where an Innocence has been located. Along with fellow exorcist Kanda, and Tom, a "finder"--one of a support group for exorcists--Allen must vanquish the akuma that covets the Innocence. -- VIZ Media

Following a brutal battle with a Level 4 akuma, Allen seems to be undergoing an odd and disturbing change. Meanwhile, a new breed of Exorcist is introduced at Black Order headquarters and, at Asia Branch, Kanda learns some disturbing things about his own status in the Black Order's Exorcist operations. Needless to say, Allen and his friends are ill prepared to deal with the simultaneous appearance of the servants of the Millennium Earl all over the world! -- VIZ Media

Teen exorcist Allen Walker is given his first assignment, and his perilous mission takes him to southern Italy, where an Innocence has been located. Along with fellow exorcist Kanda, and Tom, a "finder"--one of a support group for exorcists--Allen must vanquish the akuma that covets the Innocence. -- VIZ Media

Set in a fictional end of the 19th century England, the story revolves around a teenage boy named Allen Walker who is cursed with a cross mark on his hand that turns his arm into an enormous weapon, which he uses to hunt down and kill akumas. An akuma, generated by a 1,000-year-old phantom, is implanted into a human's soul during a moment of devastation and despair. The phantom uses the demons to then carry out his goal: destroy all humankind.

Allen, now joined by two companions, is still on the run and trying to deal with his demonic alter ego, the Fourteenth. This means avoiding erstwhile allies as well as overt enemies. He also has to prevent one of his companions, fellow Exorcist Kanda, from trying to destroy the Fourteenth while keeping the Fourteenth from destroying his other companion, Johnny, whose zealous devotion to Allen is gratifying but not much help in a fight! -- VIZ Media