I started watching Hell Girl and it reminds me so much of Persona 3 and 4 with the dark hour. Basically at midnight, you type into a computer who you want vengeance on. It always comes with a price though. Anyway, it's kinda depressing at times and the episodes always leave you with this intense feeling of a mixture of sorrow and relief - can't really explain it. It's not the best anime I've seen, but it really makes me think. I'm really interested to see if I find out more about the Hell Girl, I have a feeling she doesn't like her job so much.