A symptom which causes one to physically regress till the point of disappearance. A pharmaceutical company which claims to be researching a cure and the cause for this syndrome. What are their motives? And what does a dragon slayer and even a handful of demons have in relation to all this? (Source: thelurker.net)

Demon Sacred had four volumes published in English by Tokyopop, from October 12, 2010 to March 1, 2011, before the company became defunct.