Memoirs of a Murderer (2017)

"In 1995, a serial strangulation case occurred in Tokyo. Five people were killed. The murderer disappeared without a trace, and the case became an unsolved case. In 2017, when the case had already expired, a man named Masato Sonezaki (played by Tatsuya Fujiwara) published a confession book "I am a murderer", claiming that he was..."