In a previous news post last month, it was announced that manga "Mushishi" would be receiving a two-chapter manga special along with word of a "Top Secret Project."

This project has now been announced as a one-hour anime special titled "Mushishi Special: Hihamukage." The special's story is based on the two-chapter manga special for the series.

The two-chapter manga special will be released in Afternoon magazine on November 25th and December 25th respectively, with the anime special releasing on January 4, 2014.

Some details regarding the team behind the anime special have been announced:

Director: Hiroshi Nagahama
Character Design and Animation Director: Yoshihiko Umakoshi
Studio: Artland

Official site: http://www.mushishi-anime.com/

Sources: IEEE tweet, Afternoon, Anime! Anime!, Natalie

Mushishi Special: Hihamukage on MAL