“Again and Against” was conceived by Kasper König, based on a series of 23 works made by On Kawara. König’s idea was to select a single work by a German artist to correspond to each work made by Kawara. König’s idea stipulated that each pair of works be made during the same year, and he invited curators Suzanne Chez from the United States and Fumio Nanjo from Japan to make selections based on this principle, for exhibits in their respective countries. Although the concept at first seemed uncomplicated, it posed a considerable challenge. It was extremely difficult to select only one work by one