ef - A Tale of Memories (2007) - Chihiro Shindou - Because of an accident when she was a little girl, Chihiro loses her memory every 13 hours and only keeps track of her life by writing down her memories in her journal, which she reads each morning when she wakes up. After fulfilling one of her dreams with the help of the boy she loves and after having a magical night with him, she tears out all of the pages in her journal that had any memories of him so that she can forget about him forever because she doesn’t want him to be hurt by her illness.