Yamauchi - a fantastic world where the Yatagarasu, a race of three-legged crows with the ability to transform into humans, live. Yukiya, a young Yatagarasu, is appointed as the personal attendant of the eccentric Crown Prince Wakamiya. Soon, he is entangled in a web of conspiracies attempting to overthrow the heir to the Imperial throne.

An adaptation of the second book of the award-winning novel series by Chisato Abe. The first book has been licensed in English as A Raven for All Seasons by K Manga.