"Good Job Club") is a Japanese light novel series written by Shin Araki and illustrated by Aruya.

[12] On April 18, 2012, the first volume of the spin-off series GJ-bu Chūtō-bu (GJ部中等部, lit.

[31] The opening theme song is "Mōsō★Kōkan Nikki" (もうそう★こうかんにっき, Delusion★Exchange Diary) by Otome Shintō with Tamaki added in the opening animation on Episode 7 onwards, there are four ending themes including: The insert song for Episode 12 is "GRADUATION COLOR" by Mao Amatsuka.

[32] A special OVA, titled GJ Club@ (GJ部＠, Gujjobu Guruguru), will be released on DVD and Blu-ray Disc on May 14, 2014.

The special is 46 minutes long and its story is set after graduation, when the GJ club visits New York for their spring vacation.