Hashimoto Mayumi, a typical high school girl. She plans on seeking revenge on her classmate Kuroda Aya for bullying and torturing her. One day, she finds a strange ad regarding sending tormentors to hell. Is this hotline to hell real? Will she get her revenge?

How nice would it be to be to be able to send someone to Hell with just a simple click of the button? A girl named Ryouko is haunted by a stalker.Desperate to get this despicable man from stalking her any further, she types in his name (only known to her as Stalker) on the Jigoku Shoujo web site, and later receives a call confirming her request. She meets Enma Ai and explains her situation to her and her team, but Ryouko finds out that its not as simple as it appears not only will her stalker go to Hell, but so will she as a consequence for using their services. Is it worth the price of going to Hell for eternity?

Muroi Kouichi was a high school student with high aspirations to play in his first baseball tournament, but his short life had been plagued by the constant bullying from the star player Hanagasa Mamoru who enjoyed tormenting him with his baseball bat, and it became so bad that it eventually lead to his death or even suicide. His friend Iwashita had kept the bullying a secret until the very end, but it ended up backfiring on him when Murois mother publicly accused him of murdering her son instead of blaming the real culprit. Iwashita decides to take matters into his own hands and summons Enma Ai to take care of the dirty work for him. Will he pull the string?

Junko-chans life has been plagued by eternal heartache and sorrow due to the loss of both her parents at a very young age as well as the recent loss of her best friend and loyal dog Candy. Shes horrified to discover that the doctor who was supposed to be taking care of Candys injured body had actually been too busy chatting on the phone at the time instead of tending to the dogs care. By the time he finally looked at the dog, it was too late and the poor soul had already left its injured body. Its obvious that Junko-chans now going to utilize Ais services to get back at Honjou-sensei for ignoring her dogs pleas of help, but she initially doesnt want to go through with it because of her fears of spending eternity in Hell.

Tamura Misato is an employee for the online shop Dead Line and often has to work insanely long hours just to keep up with her heavy workload. Kaifu Riho is the president and founder of the company and is a complete dud when it comes to computers, but she lies and takes all the credit for Misatos computer knowledge as her own and threatens Misato with going public about her minor shoplifting stunt if she refuses to comply with her rules. Her employees, meanwhile, are absolutely clueless about the presidents true talents and believe that shes created the successful company all on her own when she really did nothing to help the company become successful. Shes even tried to summon Ai and company many times for her own selfish reasons, but theyve refused to accept her request and instead have secretly been investigating her company (and her illegal tactics) right under her eyes.