The story takes place in China during the Spring and Autumn Period and Warring States Period. Wenlong, whose father was the King of Qi, known as the "Demon King," murders his father for some reason, abandons Qi, and sets out on a journey in search of his late mother's country, Wa. His only companion is Kunlun, a lion he has lovingly raised since childhood. What awaits him on his journey? Set in the vast land of China, this epic story is the work of Tsuji Masaki and Yokoyama Mitsuteru!