the series was created by rikdo koshi and based on a dojinshi he had previously created while in high school named . "excel saga" was created as an evolution of "daitenzin" in order to develop the character of excel, as well as to laugh off the vision of a depressed and pessimistic view of the world. "excel saga" is set in fukuoka city and the names of characters and organisations are derived from local locations and buildings.