“Im Zenko Yamashika. Im a pretty competent lawyer, if I do say so myself. There arent many people in this wide world who can leave behind a brilliant record of overturning guilty verdicts like I can. One day, I received a phone call. The caller was Yukin

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.