Yoong Shi Yoon was offered to play the major role in the new tvN's drama entitled Psychopath Diary. Many of the fans were already waiting for the teaser of the drama and its release.

But they didn't need to wait any longer because the teaser finally unveil. The upcoming drama, Psychopath Diary released its first teaser.

Yoon Shi Yoon will play the role of Yook Dong Shik, who is a timid pushover and accidentally saw a murder. His character also suffers from an accident which led him to lose his memory while he is trying to go out on the murder scene that he saw. But Yook Dong Shik believed that he became the psychopathic serial killer after he wakes up from the accident and found out the diary of the murderer which tells all the details and information about the crimes that he saw in his hands.

tvN already unveiled the first teaser of the upcoming drama, Psychopath Diary. In the short teaser, it can be seen that Yook Dong Shik was wearing a hospital gown and holding a blood-red diary in his hands. He also says in the voice-over while he is looking at the diary,

"The only evidence that can help me recover my memories."

Yook Dong Shik also seen dramatically saying that he is the serial killer because that's what the diary is telling him after he finishes scanning the pages of the journal.

"This diary is saying... that I'm a serial killer."

It was announced that the upcoming drama of tvN, Psychopath Diary will be released on November 20 at around 9 o'clock in the evening, KST.

Meanwhile, even though it was only a short teaser, many of the fans can't help but be excited about this, especially now that they already have small information about how the drama will work.

Yoon Shi Yoon is currently one of the most popular South Korean actors. He became more popular after his success lead roles in the series such as King of Baking, Kim Takgu in 2010, My Cute Guys in 2013, Hit the Top in 2017, and Your Honor in 2018. He is also one of the members of the variety show '2 Days & 2 Night' in 2016.