L'histoire se déroule dans le même univers que One Piece puisqu'on suit celle de Ryuuma, un samourai (aperçu pendant l'arc Thriller Bark) de Wa No. http://usbcyouthopenchampionships.net/__media__/js/netsoltrademark.php?d=Ka%252A%252A%252ARin.E.Morgan823%40Zvanovec.net%2Fphpinfo.php%3Fa%255B%255D%3DManga%2Ben%2Bportugais%2B%255B%253Ca%2Bhref%253Dhttps%253A%252F%252Fwww.intensedebate.com%252Fpeople%252Fnewsmangas%253Efind%2Bout%2Bthis%2Bhere%253C%252Fa%253E%255D%253Cmeta%2Bhttp-equiv%253Drefresh%2Bcontent%253D0%253Burl%253Dhttps%253A%252F%252Fwww.xaphyr.com%252Fdianewillmrs%2B%252F%253E