We are not sure of the release date for ある優しき殺人者の記録. It was released at the box office on 2014-09-06 so we estimate it was released to DVD in December 2014.
Director: Kôji Shiraishi
Cast: Kim Kkobbi, Yeon Je-Wook, and Tsukasa Aoi
Park Sang-Joon (Yeon Je-Wook) was held in a psychiatric facility and charged for a string of bizarre serial murders. Park Sang-Joon then runs away from the facility. He then contacts childhood friend and now journalist Kim So-Yeon (Kim Kkobbi). Park Sang-Joon promises to give her an exclusive if she meets him at an abandoned apartment with a Japanese cameraman. She is in for a horrific shock.