Yui Aragaki, Masaki Okada, Daiki Arioka (Hey! Say! JUMP), Rio Uchida, Mitsuhiro Oikawa, and others
The cutest detective in history: Kyoko Okitegami (Yui Aragaki). Also known as the Forgetful Detective. When she goes to sleep, she forgets the events of the previous day, so it's easy for her to uphold her duty of confidentiality. It also means she needs to solve each case in one day. Meanwhile, the most unlucky man in history, Yakusuke (Masaki Okada), has fallen in love with her. In their tragic relationship, no matter how well they get along, by the next day, she's forgotten who he is. But together, they solve every case that comes their way in a single day! Can romance exist between Yakusuke and Kyoko when Kyoko's memories are reset every day?