"Zekkyō Gakkyū" is a horror anthology anime series based on the manga of the same name. Each episode presents a self-contained story, often revolving around urban legends, supernatural occurrences, and eerie phenomena that target children or teenagers. The series is structured around a mysterious classroom setting, where a ghostly teacher, Sensei, narrates these tales to a group of silent, shadowy students. Sensei serves as the central figure, guiding viewers through the unsettling narratives while maintaining an ominous and detached demeanor.

The stories explore themes of fear, guilt, and the consequences of curiosity or misdeeds. Common motifs include cursed objects, vengeful spirits, and moral lessons tied to the characters' actions. For example, one episode features a cursed cell phone that brings misfortune to anyone who uses it, while another delves into a haunted doll that torments its owner. The protagonists are typically ordinary children or teens who inadvertently stumble into supernatural situations, often with tragic or chilling outcomes. The tone is consistently dark, with an emphasis on psychological horror and the macabre.

The series does not follow a continuous plot but instead relies on its episodic format to deliver standalone tales of terror. Sensei's role as the narrator adds a layer of meta-horror, as the classroom setting blurs the line between the stories and the audience, creating an immersive and unsettling experience. The characters within each episode are diverse, ranging from curious students to unsuspecting victims, but they are often secondary to the overarching themes of fear and retribution. "Zekkyō Gakkyū" effectively captures the essence of traditional Japanese ghost stories, presenting them in a format that appeals to fans of horror and the supernatural.