Episode 7

Tombstone of Memories (Kioku no Bohyō" 記憶の墓標) is the seventh episode of the series D.Gray-man written and illustrated by Katsura Hoshino.

Synopsis
Allen reveals his tragic past about his adoptive father, Mana Walker, and how he met General Cross Marian, one of the five exorcist generals of the Black Order. Lenalee joins Allen in the cemetery to help destroy the akuma and help John's friend Leo, who has turned into an akuma, to find peace in the next world.