Following this, she earned a number of guest roles, appearing in the television series Love Needs a Miracle (2005) and Drama City (2007), and the film Vacation (2006).

The group achieved both critical and commercial success, with four Korean number-one singles and international recognition after becoming the first K-pop act to perform at SXSW.

During the press tour for The Pirates, Sulli took a hiatus from the entertainment industry due to health issues and following a year long absence from promoting with f(x), she left the group in August 2015.

[8][9] Sulli was recognized as a known figure in Korean popular culture for her outspoken persona, becoming the top 10 most Googled person in South Korea in 2017.

[17][18] In 2005, Sulli began acting professionally at the age of 11, when she was selected to play young Princess Seonhwa of Silla in the SBS drama Ballad of Seodong.

[23] In August 2012, Sulli starred as the lead role in To the Beautiful You, based on the famous Japanese shōjo manga series Hanazakari no Kimitachie.

[28] In the midst of Red Light promotions, on July 24, 2014, SM Entertainment announced that Sulli decided to take a break from the South Korean entertainment industry due to being mentally and physically exhausted from the continuous malicious comments and rumors of her dating Dynamic Duo rapper Choiza, which was not confirmed at the time, and false rumors of her being pregnant.

Later that same year, she resumed her acting career by attending the promotion of the 2014 comedy film Fashion King, based on the webtoon series of the same name, where she played a leading role alongside Joo Won and Kim Sung-oh.

[8] On June 29, 2019, Sulli made her debut as a solo artist with the single album Goblin, on which she co-wrote and co-produced all of the tracks, and held a special stage Peaches Go!blin on the same day at SM Town Theater.

She disagreed with a commenter who said she looked like a "druggie" because of her large dilated pupils, saying that she has done nothing illegal, but had studied drug behavior during method acting for her film Real.

[40] On October 23, 2019, Mystic Story revealed they have decided to temporarily suspend production,[41] as Sulli was in the midst of filming the second out of five planned episodes for the series when she died.

[42] Between September 2013 and March 2017, Sulli dated Dynamic Duo rapper Choiza,[43][44][45] during which both celebrities endured malicious comments and cyberbullying throughout their public relationship.

[50] News leaked by an employee in the emergency response center revealed that on October 14, 2019,[51][52] at approximately 3:20 p.m. KST, Sulli's brother, who was also her manager, found her hanging dead in the second floor of her house in Seongnam, south of Seoul.

[66][67] SM Entertainment opened a separate venue in Severance Hospital's funeral hall in Sinchon-dong, Seoul, on October 15 and 16 for fans wishing to pay tribute.

[68][69] Various celebrities and companies, such as previous bandmates Krystal, Victoria Song, Amber Liu, and Luna,[70][71][72][73][74] fellow singer and friend IU,[75] Dynamic Duo,[76] and the premiere of the film Gift,[77][78] canceled their activities to mourn Sulli.

[80][81][82] Prior to her death, it was revealed that Sulli had repeatedly asked her agency, SM Entertainment, to take strong measures against the malicious comments and cyberbullying.

[91][92] Following her death, "Love You Sulli" (설리 사랑해) started trending in an attempt by fans to hide negative search results.

[110] A number of media outlets attributed the backlash against Sulli to the fact that her public image was not as carefully constructed as many of her contemporaries in the idol industry were,[111] and she directly challenged societal expectations of women in Korean culture.

][113][114] The Associated Press described Sulli as someone who "was known for her feminist voice and outspokenness that was rare among female entertainers in deeply conservative South Korea.

[117] Additionally, Sulli proclaimed that she was an advocate for the no bra movement, having previously been criticized for going braless on several social media posts.

[118][119][37] Sulli, in real life, spoke out against cyberbullying, which affected her personally as she was often the target of online abuse for her dichotomous[clarification needed] public image.