Written by Tetsuya Tsutsui, Manhole is a three-volume horror-thriller that dives into a web of intrigue and lies. Two detectives, Ken Mizoguchi and Nao Inoue, are on a mission to solve a series of mysterious deaths, only to encounter a conspiracy that threatens a manmade global pandemic. A killer parasite endangers 180 million people, setting the stage for a race against time.

This gripping narrative begins with a strange connection between a naked man on a city street and a roundworm from Botswana. As the detectives piece together the clues surrounding the bloody murders, they uncover the looming threat of a deadly biological agent with epidemic potential.

As their investigation leads them to a mysterious photographer, the infection continues to spread, amplifying the stakes. Manhole is a thrilling detective story that seamlessly combines biological horror with a tightly paced narrative, keeping readers on their toes.