Animate Tokuten for purchasing all 6 volumes of TV Anime Series. The contents of the OVA are from the Drama CDs.

In 2024, the terrorist incident known as The Laughing Man Incident occurred in which Ernest Serano, president of the groundbreaking micromachine company, Serano Genomics, was kidnapped and ransomed. One day, the case having remained unsolved for six years, Detective Yamaguchi, who has been investigating The Laughing Man Incident, sends word that he wants to meet with Togusa from Public Safety Section 9. However, soon after sending this message, Yamaguchi, crucial to the success of the case, dies in an accident. Many days pass and in the midst of a police interview relay concerning suspicions behind interceptors, a forewarning is received from The Laughing Man of his next crime. The incorporeal hacker begins to move once again. (Source: ANN)

Kousuke Mikado has been able to see spirits for as long as he can remember. Extremely terrified of them, he tries to suppress his ability by wearing glasses. One day, while working at a bookstore, he catches the attention of Rihito Hiyakawa, an eccentric medium who is convinced that they were destined to meet each other. Thanks to Hiyakawa's antics, Mikado is thrust into the world of the paranormal, with the former promising that he will shed his fears if Mikado stays with him. As they continue to work together, the two discover a series of malicious curses that all point to the same name—Erika Hiura. What is this person's goal, and how do they connect with Mikado and Hiyakawa?

Data xx Transitory is the thirteenth and bonus episode of the DRAMAtical Murder animation. It features all of the bad endings from the original game. (Source: DRAMAtical Murder Wiki)