Toshi Densetsu Series (Japanese Urban Legend Series) is an adult supernatural anime series produced between 2016 and 2018. Based on the manga by Satsuki Imonet
, the series adapts various famous Japanese urban legends into erotic tales where protagonists encounter supernatural entities. Series Overview The complete series consists of six episodes
in total, though it is often discussed in the context of its first four primary urban legend adaptations. Supernatural, Horror, Erotica (Hentai). Original Creator: Satsuki Imonet. Production: Directed by Satsuki Imonet and Natsumi Kinomoto. Episode Themes and Legends
Each installment focuses on a specific urban legend, typically featuring a male protagonist who inadvertently triggers a supernatural encounter. Aka Manto (Red Cloak):
Centers on the legend of a spirit haunting public restrooms who asks victims if they want red or blue paper. Sukima-onna (The Gap Woman):
Explores the legend of a woman who stares at people from the thin gaps between furniture or walls. Kuchisake-onna (Slit-Mouthed Woman): -Hentai- Toshi Densetsu Series 1-4-Complete- -E...
Features the famous legend of a disfigured woman who asks her victims if they think she is beautiful. Other Legends:
The series also incorporates themes like the "Kunekune" or "Hanako-san" (the bathroom ghost), focusing on the psychological and physical interactions between the spirits and their partners. Creative Style
Reviewers often note that the series balances its adult content with a higher-than-average "plot-to-sex ratio" for its genre, particularly in its early episodes. The dialogue is frequently described as having clever "back and forth" between characters, even during adult scenes. The animation, handled by New Generation
, is generally considered above average for supernatural erotica. Toshi densetsu shirizu (TV Mini Series 2016– ) - IMDb
| If you want… | Start with this anime | Start with this manga | | :--- | :--- | :--- | | Non-stop action | Demon Slayer | Jujutsu Kaisen | | Mind games & twists | Death Note | Monster | | To cry | Fruits Basket | Goodnight Punpun (warning) | | Worldbuilding | Attack on Titan | One Piece | | Romantic comedy | Kaguya-sama | Bloom Into You | | Dark fantasy | Vinland Saga | Berserk (classic, but very dark) | | Short & complete | Erased (12 eps) | A Silent Voice (7 volumes) | Toshi Densetsu Series (Japanese Urban Legend Series) is
A defining characteristic of the genre is the method of propagation. In these stories, the entity often gains power through rumor. The more people talk about the legend, the stronger the spirit becomes, or the wider the curse spreads.
In earlier series, this spread was depicted through word-of-mouth among schoolchildren. In modern interpretations, the vector has shifted to technology—text messages, emails, and social media. This reflects a deep-seated anxiety about the loss of privacy and the inability to escape communication networks.
Original Release: 2004
Runtime: 28 minutes
The premiere episode adapts arguably Japan’s most famous contemporary yōkai: Kuchisake-onna (口裂け女). The urban legend states a masked woman asks children if she is pretty. If they say no, she kills them. If they say yes, she removes her mask to reveal a Glasgow smile scar from ear to ear and asks, "How about now?" Then she kills them.
The hentai adaptation, however, introduces a perverse twist. Instead of a child, the protagonist is Atsushi, a disgraced college student who failed his entrance exams. Walking home through a rain-soaked underpass, he encounters a tall woman in a surgical mask. The narrative quickly subverts expectations: she does not ask if she is pretty. Instead, she offers a contract. Warning – Explicit thematic content: The episode portrays
Warning – Explicit thematic content: The episode portrays the slit-mouthed woman as a cursed spirit who feeds on regret and social failure. She grants Atsushi the power to “silence” his bullies and failing professors—but each victim must first witness her mutilated face during an explicit ritual involving mirrors and broken glass. The horror here is not jump scares but consensual damnation.
Critics note that Episode 1 excels at atmospheric dread. The muted color palette—washed-out grays, neon blues, and sudden splashes of deep crimson—mirrors the aesthetic of Kiyoshi Kurosawa’s Kairo (Pulse). The final scene, where Atsushi looks into a bathroom mirror and sees his own mouth slowly splitting open, is a masterclass in body horror that transcends the hentai genre.
Urban legends in anime are often described as "modern folklore." They act as cautionary tales for a new generation. While traditional yokai (spirits) might haunt forests or rivers, the spirits in Toshi Densetsu inhabit spaces familiar to modern audiences: train stations, highway tunnels, school bathrooms, and even the internet.
Common examples found across the genre include:
Urban legend anime frequently uses the supernatural as a metaphor for social issues. The spirits in these stories are often victims of bullying, neglect, or tragic accidents. They represent the "unwanted" or "forgotten" members of society.
Protagonists in these stories are typically tasked with uncovering the tragic backstory of the spirit to appease it or break the curse. This turns the horror narrative into a mystery, where the resolution requires empathy and understanding of a past tragedy rather than just physical combat.