Chaos;HEAd

Also known as:  Chaos Head

The TV anime series Chaos;HEAd was adapted by Madhouse Studios, based on the 2007 visual novel game of the same title created by 5pb. and Nitroplus. The story's protagonist Takumi lives a secluded lifestyle as a hikkikomori. One day, after chatting online with a mysterious stranger, a visit to a URL and a blog lead him to a real life murder. This is a delusional murder mystery story with strong elements of gore, psychology and science fiction.

Permalink: anime-387

Producers, official website and other details: AniDB, ANN, Wiki