A girl walks with a man along a cherry blossom path, leaving behind a trail of grey in their wake.

A very curious man by chance finds a map of some islands in an inhospitable part of the world. Over time, his interest in that place becomes more and more intense, this obsession leads him to visit the islands and there he finds something that will definitely lead him to madness.

"What actually is pain?" The question of her, having Congenital insensitivity to pain and anhydrosis (CIPA), was answered to her in less than 24 hours. And it was not in a good way...