Growing up with an abusive father, Utsutsu is highly protective of his younger sister Yume. One day, she contracts the strange Pupa virus and begins to sprout grotesque wings and attack both animals and humans.
Overview：Growing up with an abusive father, Utsutsu is highly protective of his younger sister Yume. One day, she contracts the strange Pupa virus and begins to sprout grotesque wings and attack both animals and humans.
