K no SouretsuThe Funeral Procession of K; Kの葬列; Quá trình Mai táng K; K no Souretsu; La Procesión Fúnebre de K

The funeral bells are ringing the day that Mikaya moves into his new apartment. However, once he arrives, he learns a startling fact: the room he's moving into belonged to the dead man, K. Strangely enough, no one ever found K's body. Where is the body, and which of his eccentric neighbors was the one who killed K...?