Author: Tsutsui Tetsuya

Manhole is a dark and intense psychological horror manga that masterfully blends mystery, crime, and biological thriller elements into a gripping story that keeps readers on edge from start to finish. Set in modern Japan, the story begins with a shocking and bizarre incident: a naked man collapses in the middle of a city street, triggering a chain of mysterious and gruesome events that quickly escalate into something far more terrifying.

Detectives Ken Mizoguchi and Nao Inoue are assigned to investigate a series of brutal and unexplained murders. As they follow a trail of cryptic clues, they uncover the existence of a deadly parasitic organism capable of causing a rapidly spreading and uncontrollable epidemic. With time running out, the investigation turns into a desperate race against a biological disaster that threatens millions of lives.

As infections spread and panic grows, the detectives are led to a mysterious photographer connected to the outbreak, revealing a deeper and more disturbing conspiracy. With its chilling atmosphere, realistic storytelling, and shocking twists, Manhole stands out as a must-read for fans searching for “horror manga,” “psychological thriller manga,” “detective manga online,” “parasite infection manga,” and “dark mystery manga.”

This series delivers a powerful mix of suspense, horror, and investigation, making it one of the most unforgettable biological horror manga experiences available online.

Alternative Titles:
Manhole / マンホール