From the end of the 1970s, it was sold to a number of comic magazines, but perhaps it was too early, or it was too much of a pursuit of historical facts, and it never got the chance to be published. Searching for materials and relics, deciphering ancient documents, going to Korea, searching for Japanese castles that no one has visited before... Even novelists only use printed materials, so it's not what manga artists do. . Korean tigers are extinct, but I hope that through this manga, you can learn that there were quite a few in the Momoyama period. After 40 years, I reorganized and redrawn in color to make it easier to see.