gj-bu
GJ部 (pronounced "gujjobu", a pun on "good job")
A light novel series written by Shin Araki and illustrated by Aruya. Consists of 9 volumes published by Gagaga Bunko between 2010 and 2012, and was followed by a spinoff titled GJ-bu Chuutoubu. Adapted into a 12-episode anime series in early 2013.