"Yamishibai: Japanese Ghost Stories" is an anthology-style anime series that presents standalone horror tales inspired by Japanese urban legends, folklore, and supernatural myths. Each episode is concise, typically running for about four to five minutes, and adopts a unique visual style reminiscent of traditional kamishibai, a form of Japanese street theater that uses illustrated paper scrolls. The series is framed by the recurring presence of a mysterious storyteller in a yellow mask, who arrives at a playground at dusk to narrate eerie tales to a group of children.

The stories vary widely in theme and setting, often drawing from Japanese cultural traditions and modern-day fears. Common motifs include vengeful spirits (yūrei), cursed objects, haunted locations, and encounters with malevolent entities. Many episodes explore the consequences of breaking taboos, such as ignoring warnings, trespassing on sacred grounds, or meddling with supernatural forces. The narratives frequently feature ordinary individuals who find themselves entangled in inexplicable and terrifying situations, often with no clear resolution, leaving viewers with a lingering sense of unease.

Characters in the series are typically unnamed and serve as archetypes rather than fully developed individuals, emphasizing the universality of the fears being depicted. The brevity of each episode heightens the tension, with minimal dialogue and a focus on atmospheric storytelling. The animation style, characterized by stark, hand-drawn visuals and limited motion, enhances the unsettling tone, creating a sense of rawness and immediacy.

Over its multiple seasons, "Yamishibai" has maintained its format of delivering bite-sized horror stories, with each installment offering a self-contained narrative. The series does not follow a continuous plot or recurring characters, aside from the masked storyteller, who serves as a framing device. This episodic structure allows for a diverse range of tales, from ancient folklore to contemporary urban legends, all unified by their exploration of the supernatural and the macabre. The series has garnered a following for its ability to evoke fear through simplicity and its deep roots in Japanese cultural traditions.