Shuichi Saihara is a trainee detective. Kokichi Ouma is the notorious gang leader of D.I.C.E. When teenagers begin to get murdered in downtown Tokyo, and D.I.C.E is pinned with the blame, Shuichi's and Kokichi's paths cross to catch the true serial killer behind the gruesome murders and prove D.I.C.E's innocence.

Joy cannot last, as many stories prove. But some stories prove to repeat themselves. Is this the same? Or will the universe change its mind? Cinderella's story isn't as simple as it was all of those years ago.

Kokichi Ouma is a victim of this rare disease called; Hanahaki. Even if the flowers are beautiful, it makes him suffocate. Each passing month, weeks and now even days, his health deteriorates. Once Kokichi laid eyes on a particular detective, he fell hard. It physically hurts him seeing his crush fall for someone else.