Mangaka: ITSUKI Natsumi
Scanlators: Endless Abyss, In2k2
About: 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?
Volume 1
Volume 2
Volume 3, ch. 9
Volume 3, ch. 10
Volume 3, ch. 11