"Manga NEW History of Japan 2015, 13-volume set with bonus" Manabu Oishi Price: ¥13,000 A set of 12 volumes + 1 bonus volume that allows you to learn Japanese history in manga format. Includes a chronology. Publisher: Gakken The latter half has hardly been read, so it's in good condition. The first half has some dirt on the covers. There is no discoloration, and the inside is clean (^^) The outer box has scratches (see photo 7).