The teaser of the 2^nd episode which features the life story of the late f(x) member/actress Sulli was released last September 3^rd on MBC's "DocuPlex." The documentary is titled "Why was Sulli Uncomfortable?"

MBC documentary is said to unveil the reasons as to what made Sulli feel so uncomfortable. The teaser will feature some past videos of Sulli introducing herself as Choi Sulli. Then there is also a video clip where the late celebrity was rehearsing in her studio and saying the words "I will try to live hard," recorded from her interview with the 'Goblin' promotion. There is also a clip of Sulli saying, "There are plenty of people who use their sunglasses only for me. Understand me; I'm not a bad person."

It also includes some interviews of her loved ones and close friends, which will feature Sulli's mother, Girls' Generation's Tiffany, and may more. It shows Sulli's mother crying and saying, "I'm sorry that I arrived too late." SNSD's Tiffany, who had lived with Sulli when they were still in their pre-debut day's states, "I'm sorry if we didn't have a deep conversation with you when you were just right beside me."

This documentary's primary goal is to relay an encouraging message that the late star hoped to deliver when she was still alive and pursuing her entertainment career.

South Korean actress, singer, and model Choi Jin-ri more known as her stage name Sulli was born on March 29, 1994. She started out in the entertainment industry as a child actress featured in the SBS historical drama Ballad of Seodong (2005) as a supporting cast member. Since then she was able to land a number of guest roles starred in the television series Love Needs a Miracle (2005) and Drama City (2007), and the film Vacation (2006). She then appeared in independent films like Punch Lady (2007) and BA:BO (2008). When the late actress was in her 4^th grade, she went to an SM Entertainment audition in the said audition she showcased her talent and sang the S.E.S. song titled Chingu ("Friend"). After the said audition she was officially part of the cast as an S.M. trainee at the same year she transferred into a dormitory with Taeyeon and Tiffany of Girls' Generation. The late star continued to stay there up until the debut of Girls' Generation which was in 2007.

Sulli officially made her debut in 2009 with f(x). She then pursued to enter the acting industry and became an actress before, unfortunately deciding to end her life in October 2019 at the young age of 25. Various media outlets linked her death to depression, which was the result of cyberbullying.

After her death, it was disclosed that Sulli had kept on asking her agency SM Entertainment to take strong actions against the malicious comments and cyberbullying.

The "'Why was Sulli Uncomfortable?'" documentary is scheduled to air on the 10^th of September on MBC at 10:50 PM KST. Watch the teaser below!