WARNING: This article contains spoilers. Please read at your own risk!
In recent chapters of the D. Gray-man manga, Lavi and Bookman were apparently kidnapped by the Noah Clan. Parasites from the Noah were put into Lavi in an attempt to retrieve information about the 14th Noah from Bookman.
And that is all I will be writing about that. Great cosplay though! Thanks again to Grace for sending this!