Natsume Yūjinchō (夏目友人帳, Natsume Yūjinchō?) is a Japanese manga by Yuki Midorikawa serialized in LaLa DX (Hakusensha) from 2005 with 5 volumes (ongoing).

An anime adaptation started airing in Japan on July 7, 2008 and is produced by Brain's Base on TV Tokyo. A second season will air in January 2009.

Source: Wikipedia