an anime series produced by Aniplex and Studio Deen.It focuses on the existence of a supernatural system that allows people to take revenge by having other people sent to Hell via the services of the mysterious title character and her assistants who implement this system.[3] Revenge, injustice, hatred, and the nature of human emotions are common themes throughout the series.It premiered across Japan on numerous television stations, including Animax, Tokyo MX, MBS and others, between October 4, 2005 and April 4, 2006. Following the success of the first season, the series soon produced a second season, "Jigoku Shōjo Futakomori" (地獄少女 二籠), which premiered October 7, 2006.[citation needed] A third season, "Jigoku Shōjo Mitsuganae" (地獄少女 三鼎), was first announced on the mobile version of the series official website "Jigoku Tsūshin",[4] and began airing on Japanese TV October 4, 2008.[5] A fourth television series, titled "Jigoku Shōjo: Yoi no Togi" (地獄少女 宵伽) was announced on February 25, 2017 as a climax to the series, and aired from July 14 to September 29, 2017, consisting of 6 new episodes, and 6 'reminiscence' rebroadcast episodes.

A live action television series adaptation started airing in Japan on Nippon Television from November 4, 2006.Each episode typically follows the format of a self-contained short story where a person has been suffering torment from an acquaintance to the point that he or she accesses the Hell Correspondence website and submits a request to get rid of the person. Ai Enma, the Hell Girl, appears, and presents a doll with a red string on its neck that can send the named antagonist to Hell. When the string is pulled, Ai and her companions then torment the antagonist, offering a last chance to repent (which is usually refused), and ferries them to Hell. The price of the contract is that the person making the request will also have to go to Hell after his or her life is over.

Starting with the eighth episode, Hajime Shibata, a former journalist