Hell Girl: Fourth Twilight is the fourth season in the Hell Girl anime series, originally aired in 2017.
The series follows Ai Enma, a mysterious girl suspected to be involved with a supernatural website called Hell Correspondence.
People with deep grudges visit this site at midnight to summon Hell Girl and cast revenge on their enemies, at the cost of their own souls.
The show masterfully blends horror, mystery, and folklore elements, becoming a unique cult sensation among both anime and horror fans.
With a blend of gothic atmosphere, memorable characters, and moral dilemmas, it has inspired manga, novels, live-action adaptations, games, stage plays, and a film.
The concept for Hell Girl dates back to around 2003.
Although the project faced several hurdles—including its original, manga-less format and its mature, dark themes—interest from Kodansha editors helped it move forward.
Manga serialization began before the anime’s release, which is rare for an original anime property.
The anime was then greenlit, directed by Takahiro Omori, with Ai Enma voiced by Mamiko Noto.
The series became a surprise late-night hit, leading to numerous adaptations and four anime seasons.
The heart of Hell Girl is the "Hell Correspondence" website, a legend whispered among desperate people.
At exactly midnight, only those filled with true hatred can access the shadowy website and type in the name of the person they want to curse.
If the request is accepted, Ai Enma appears to offer a contract—revenge will be granted, but in turn, the user’s soul is damned to hell upon their death.
Assisting Ai are her companions, known as the "Three Straw," each with their own unique backstories and supernatural powers.
The world mixes modern technology with traditional Japanese elements—most notably in the haunting use of Edo period hell artwork in its opening sequences.
Every episode follows a new person plagued by a grudge.
They access Hell Correspondence, meet Ai Enma, and are faced with the difficult decision of whether to pull the red string on a straw doll—finalizing their supernatural contract.
If they do, their tormentor is sent to Hell in a terrifying, personalized illusion, and the victim receives a mark signifying their future fate.
Later seasons introduce rivals, successors, and characters like Michiru Sagae, who questions the system itself, adding greater moral complexity.
Hell Correspondence (site): A supernatural website accessible only at midnight by those with a powerful grudge.
Hell Girl (Ai Enma): The agent of vengeance who offers the contract and carries out the "hell sending."
The Three Straw: Ai’s spirit companions—Ren Ichimoku, Hone Onna, and Wanyuudou—each take the form of a straw doll and participate in executing the retribution.
Red String: Unraveling it on the given straw doll initiates the contract of vengeance.
Mark of Contract: A supernatural seal that appears on the client, ensuring they too will go to hell upon death.
Michiru Sagae: Introduced in the fourth season as another Hell Girl, with a slightly different ritual involving confirmation by email.
The Hell Girl franchise includes:
- Anime: Four seasons (originally aired 2005–2009, with the fourth season in 2017)
- Manga: Serialized by Kodansha, spawned multiple series and anthologies
- Novels: Published by Famitsu Bunko, HJ Bunko, and Nakayoshi Bunko/Aoi Tori Bunko
- Live-action TV drama (2006–2007)
- Video games for Nintendo DS and PlayStation 2, plus mobile games and pachinko machines
- Stage play (2016)
- Feature film released in 2019
Director Takahiro Omori helmed three of the four anime seasons; Hiroshi Watanabe directed the third.
The project notably brought back key production staff throughout the years, from character designer Mariko Oka to scriptwriter Kenichi Kanemaki.
Music has been a signature component, with composers Yasuharu Takanashi, Hiroshi Mizutani, and Kenji Fujisawa creating a haunting score.
Main voice actors consistently returned—Mamiko Noto (Ai Enma), Masaya Matsukaze (Ren Ichimoku), Takako Honda (Hone Onna), and Takayuki Sugo (Wanyuudou).
Each season’s opening and ending themes are memorable.
They include:
- "Sakasama no Chou" (Opening of Season 1)
- "Karibunui" (Ending of Season 1, sung by Mamiko Noto/Ai Enma)
- "NightmaRe" and "Aizome" (Season 2, with the latter also sung by Mamiko Noto)
- "Tsukihana" (Season 3, performed by Nana Kitade)
- "Noise" and "Irogami" (Season 4, with the ending theme sung by Mamiko Noto)
These moody tracks are iconic among fans and help set the series’ haunting tone.
Hell Girl became a cult hit in Japan and beyond, especially for its unique blend of horror, suspense, and emotional storytelling.
It achieved strong late-night viewership in Japan—unusual for its genre—fueling sequels and cross-media adaptations.
The series is appreciated for its questions about justice, revenge, and morality, particularly the chilling phrase: "Would you like to try dying once?"
It has inspired multiple generations, with the character of Ai Enma becoming a darkly iconic figure in Japanese pop culture.
Hell Girl’s influence can be seen in everything from themed cafes to social media avatars and April Fools’ parodies.
Its distinctive blend of traditional Japanese aesthetics and modern tech horror makes it stand out in the landscape of supernatural anime.
The franchise continues to expand, regularly introducing new audiences to its captivating and morally complex world.
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