A locked room thriller about a group of people trapped in an unknown building with a killer lurking in their midst. Followed by judge and secret also written by Yoshiki Tonogai
Also by Junji Ito, a town becomes obsessed with spirals leading to strange affects on their minds and bodies
A collection of short stories by the master of weird horror Junji Ito himself
A disturbed man tells stories about himself and his family. Very gory and semi autobiographical
A manga about a video game that drives people insane- not too long but plenty of suspense
The godfather of seinen manga about a warrior named Guts hunting down demons in an apocalyptic middle age setting
A collection of 5 eerie stories
Not really a horror manga but definitely gory. A story about a checkpoint bordering two countries in the middle ages and the sociopath who controls it
A story about parasitic aliens who invade humans brains and what happens when one fails
A collection of zombie themed short stories by different artists in an anthology
Doubt (tonogai Yoshiki)