Dusk Maiden of Amnesia (Tasogare Otome x Amnesia) is a new TV anime based on the manga from Maybe published in the Monthly Gangan Joker.
The story is about ghosts and in particular Yuko. A freshman called Teiichi Niiya becomes lost in the labyrinthine, often renovated Aeikyou Academy, and encounters Yuko. He’s able to communicate with her and discoveries she has lost her memories and does not know why she died. The pair resolve to find out.