Haganai
The first "Boku wa Tomodachi ga Sukunai" manga series, written and illustrated by Itachi, has been published in Media Factory's "Monthly Comic Alive" magazine since its May 2010 issue, released on March 27, 2010. Additionally, the series has been collected in 14 "tankōbon" volumes. Seven Seas Entertainment has licensed the first manga series in North America under the title "Haganai: I Don't Have Many Friends".
Hokuto Gaiden
by Youkow Osada was serialized in "Weekly Comic Bunch" from issues #231 (March 24, 2006) through #300 (August 24-31, 2007). It was adapted into a 13-episode anime series, which aired on Tokyo MX from October to December 2008. The series was released by Sentai Filmworks on Region 1 DVD in 2009, with an English dub released in 2010.