From MangaHelpers: Okitegami Kyouko is a famous detective who solves cases in a single day. In fact, she has to, since her memories only last for one day before they 'reset. ' However, for important things, she writes messages for herself down on her body with a special pen. One of her common clients is Kakushidate Yakusuke, a man who is often wrongly suspected of committing crimes. There is also a live-action drama adaptation of this story. ----------------------------The original novel's story is about a detective named Kyko Okitegami who is also known as the forgetful detective. She forgets everything in a day, but solves cases the same day. An unlucky young man named Yakusuke Kakushidate somehow ends up as the suspect in every case, and he always asks for the detective.