Drama: Psychopath Diary Revised romanization: Ssaikopaeseu Daieori Hangul: 싸이코패스 다이어리 Director: Lee Jong-Jae Writer: Ryoo Yong-Jae, Kim Hwan-Chae, Choi Sung-Joon Network: tvN Episodes: Release Date: November 20, 2019 — Runtime: Wed. & Thu. 21:30 Language: Korean Country: South