The Memorandum Of Kyouko Okitegami掟上今日子の備忘録; 掟上今日子的备忘录; Okitegami Kyouko no Bibouroku

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.