"Goth" is a psychological thriller manga written and illustrated by Otsuichi, based on his own novel of the same name. The story revolves around two high school students, Itsuki Kamiyama and Yoru Morino, who share a morbid fascination with death and murder. Both characters are drawn to the darker aspects of human nature, often involving themselves in gruesome and unsettling cases.

Itsuki Kamiyama is a seemingly ordinary student with a keen interest in serial killers and crime scenes. Despite his calm demeanor, he harbors a deep curiosity about the minds of murderers and the details of their crimes. Yoru Morino, on the other hand, is a quiet and enigmatic girl who carries a mysterious aura. She is often seen with a bandaged hand, hinting at a traumatic past. Both characters are outsiders in their school, finding solace in their shared obsession with death.

The narrative unfolds through a series of interconnected vignettes, each focusing on a different murder case. Itsuki and Yoru frequently find themselves at the center of these investigations, either by chance or through deliberate actions. Their involvement often blurs the line between observer and participant, as they navigate the moral ambiguities of their fascination. The cases range from a serial killer who targets young women to a man who collects body parts, each revealing the twisted psychology of the perpetrators.

Throughout the series, the relationship between Itsuki and Yoru is explored in depth. Their bond is complex, rooted in mutual understanding and a shared darkness. While they are not romantically involved, their connection is intense and often unsettling. The manga delves into their individual backstories, revealing the traumatic events that shaped their personalities and their fixation on death.

The tone of "Goth" is consistently dark and suspenseful, with a focus on psychological tension rather than graphic violence. The artwork complements the narrative, with detailed depictions of crime scenes and expressive character designs that convey the emotional weight of the story. The pacing is deliberate, allowing for a gradual build-up of tension and a deeper exploration of the characters' psyches.

In summary, "Goth" is a gripping psychological thriller that examines the darker aspects of human nature through the eyes of two deeply flawed protagonists. The interconnected murder cases serve as a backdrop for the exploration of Itsuki and Yoru's complex relationship, making for a compelling and thought-provoking read.