D'ombres et d'ailes

Amid a population of 'birdmen', Moann is shamed when her wings disappear and a strange cracking sets in beneath her feet. In a society where all that matters is the size of one's wings and ambition, Ciobeck, the nihilist, would like to protect her. But how can they survive in a barren land, pervaded by 'caved in' spirits?