Devilman/Nightmare Fuel

This series is one of the earliest horror manga out there. As such, it manages to have quite a bit of horrifying imagery throughout its run. But for some specific examples...


 * Between the amount of Made of Plasticine and the extreme downer ending, it's already pretty dark. It enters new levels when Plucky Girl Miki is Then it gets worse.
 * Jinmen. Check out Tear Jerker for what he's done, but the sheer glee in which he takes from it, the taunting, the way he defends himself from Devilman...it's simply horrifying.


 * A spider-demon burrowing out a girl's face. It had controller her mind and over time, ate it away completely, burrowing into her head until the body began to slowly rot.
 * Amon devouring a child in Amon: Apocalypse of Devilman. Note, this is
 * A spider-demon burrowing out a girl's face. It had controller her mind and over time, ate it away completely, burrowing into her head until the body began to slowly rot.
 * Amon devouring a child in Amon: Apocalypse of Devilman. Note, this is