Dazai Osamu is an explorer, an adventurer! One day he’s out in a new land, looking around for any hints of prior civilizations, when he sees tall, dark structures in the distance. He stumbles upon YokoHarpin, the home of the harpy’s, which due to hunting are almost extinct. Chuuya is a harpy, a bird like humanoid with talons and wings that let them soar.