Modan Romanesuko

A moga heiress is the newest headmistress of a "haunted" rural girls' school, where she plans to scientifically debunk the rumors of ghosts and demons while solving the mysteries of disappearances and violent deaths over the school's history. Choosing to live in the main dorms, she encounters a complete enigma of a woman who turns out to be her roommate. Sparks and lilies begin to fly, but what is really going on with this mercurial girl?