Daisuke Sato & Yu Ito Guardian of the Empire Complete set of 5 volumes. This work is out of print due to the author's wishes and will no longer be available for purchase, even in digital format. These books have been stored normally after purchase, so there are some minor scratches due to aging. There are no issues with reading. Please consider purchasing only if you understand that these are used items. Please be aware that returns are not accepted after purchase. In addition, we will be listing various other comics sequentially. If you are interested, please take a look at those as well.