Hell Girl is a Japanese anime series that follows the story of a mysterious website called "Hell Correspondence" that can only be accessed at midnight. This website allows people to submit the name of someone they want to send to hell. Once the request is made, a girl named Ai Enma, also known as Hell Girl, appears to carry out the revenge. However, the price for using this service is that the person seeking revenge will also be sent to hell after they die.
The series explores themes of revenge, justice, and the consequences of one's actions. As viewers follow Ai Enma on her mission to ferry souls to hell, they are forced to confront their own beliefs about morality and the nature of vengeance.
Hell Girl is a dark and thought-provoking anime that challenges viewers to consider the weight of their own desires for revenge and the impact it can have on their own souls.