She seeks the advice of a priest, who tells her that she must gather the four legendary warriors.
The story is set in the fictional kingdom of Kouka, and the focus is on Princess Yona. As the sole princess of the kingdom, she enjoys all the luxuries that a person could have. Little does she know that her life is about to be turned upside down. Yona's cousin launches a coup against the king and murders him. Fearing for her life, Yona runs away with her bodyguard. She seeks the advice of a priest, who tells her that she must gather the four legendary warriors.