This is an offer for the bonus items only. Volume 1: Kikuya Bookstore Paper, Common Paper Volume 2: Kikuya Bookstore Paper, Common Paper Volume 3: Kikuya Bookstore Paper, Common Paper All items will be bundled together in an OPP bag, placed between clear files, reinforced with either double-sided color board or double-sided cardboard sheets, and then placed in a waterproof bag before shipping. Thank you. If you purchase items listed separately at the same time, a discount of 100 yen or more is possible. Books can be combined up to 4 books, fitting in Yu-Packet Post. Any number of bonus items can be included. If you purchase multiple items together, we can offer a discount on shipping costs, so please feel free to consult with us.