高梨康治
, also known as Jigoku Shōjo: Girl from Hell, is a Japanese anime series conceptualized by Hiroshi Watanabe and produced by SKY Perfect Well Think, Tokyo MX, Wakasa Seikatsu, Fujishoji, Aniplex and Studio Deen. It is directed by Watanabe and Takahiro Omori, with Kenichi Kanemaki handling series composition, Mariko Oka designing the characters and Yasuharu Takanashi, Hiromi Mizutani and Kenji Fujisawa composing the music. The series 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. Revenge, injustice, hatred, and the nature of human emotions are common themes throughout the series.