Shinomiya Kasumi launches an undefined activity club, "Good Job Club" in her junior high school, imitating the same club from her brother's high school. In a small club room, she enjoys her school life with Seira, a sharp tongue beautiful girl, and Geraldine, a girl from Canada who communicates using a white board.

This is the story about a "shopkeeper" who "quit" that stress-filled reality and casually disappeared into another world. "I want to repay the kindness of the people in that other world! With an elf who I found collapsed on the road to help at the register, I, the shopkeeper, opened a small shop. The goods I have lined up are from modern society! Sugar and coffee, chainsaws, and plastic bags, today we'll sell all we can! Our another-world C-mart is full of customers, ranging from our neighbour "oba-chan" to children to dwarf-smiths and even legendary adventurers!? In my relaxed, slow life as shopkeeper, with a carefree attitude we're open for business today as well!"

19 short stories by 19 different writers.

Special volume that details Kyouya's year as GJ-Club president. Also has some chapters detailing the little sisters after their middle school graduation.

This is the story about a "shopkeeper" who "quit" that stress-filled reality and casually disappeared into another world. "I want to repay the kindness of the people in that other world! With an elf who I found collapsed on the road to help at the register, I, the shopkeeper, opened a small shop. The goods I have lined up are from modern society! Sugar and coffee, chainsaws, and plastic bags, today we'll sell all we can! Our another-world C-mart is full of customers, ranging from our neighbour "oba-chan" to children to dwarf-smiths and even legendary adventurers!? In my relaxed, slow life as shopkeeper, with a carefree attitude we're open for business today as well!" (Source: Shueisha)

This novel is an alternate setting where the world of GJ-bu is a novel written by Kyouya Shinomiya, member of the KB, a club in which everyone writes stories. Every character from GJ-bu is in the world of KB-bu, but there are a bit differente from their personalities of GJ-bu. Mao writes action stories and doesn't bite Kyouya head, Shion writes erotic doushinji and is more asertive with Kyouka, Megumi writes stories with an evil princess main character, and Kirara, who is shy and quiet, makes picture books. (Source: Myutaku)