Hell Girl

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?