D.Gray-man Hallow, a summer season (stylized as D.Gray-man HALLOW) is an anime series. it acts as a sequel to the previous D.Gray-man anime series and follows a young Exorcist named Allen Walker from the Black Order which are in charge of destroying weapons, known as Akuma, using objects known as "Innocence".[1] The Akuma are created by an ancient sorcerer known as the Millennium Earl, who is allied with the immortal Noah Family.