The Wings of Mercy : The Crim-Eyed Leopard and the Jet Black Bird

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Yuri, the survivor of Birdie Anne, who is said to be a beautiful and visionary race, meets Hyo-Gashin, a noble devil, in a lake in the forest.
Both hunters and those who are hunted, Yuri gets injured in a situation of absolute death, but Gashin saves Yuri instead of hunting.
Yuri is against the rules of the devil and is hidden in a mountain hut in secret for as long as his wounds heal, but is driven into a corner by the eyes of Gashin's 『 Kariudo 』, who appears from time to time.
In the deep forest, those who should not meet attract each other, and from there the forbidden destiny moves.