Synopsis: A Demon's Friend

A young girl named Jane arrives at a new boarding school and befriends Sena, finding comfort in their budding friendship. However, as girls start vanishing one by one due to a mysterious illness, Jane and Sena grow closer.Yet, when Jane discovers that their school isn't what it seems, and that her best friend is different...Can Jane break through to her friend, or is Sena lost to the darkness forever?