In 2017, Hahm was cast in MBC's daily drama, Sisters-in-Law, which premiered in April that year. 2018–present: New agency and solo career In January 2018, Hahm confirmed her departure from MBK after her contract expired. In February 2018, Hahm signed an exclusive management contract with UFO Production, making her the company's first-ever artist. UFO Production, a subsidiary of technology company Pobis TNC, is more known for producing the MBC TV weekend drama Money Flower. On May 24, 2018, it was confirmed that Hahm was cast in the upcoming KBS's drama Lovely Horribly, starring Park Si-hoo and Song Ji-hyo. On February 26, 2019, it was announced that Hahm would be the narrator for the Korea-Vietnam co-production documentary named The Muse Story, which will be broadcast on KBS World. On October 14, 2020, her label announced that Hahm will star in upcoming film called “I will sing” as a singer. Hahm was cast in the leading role of the TV drama A Fool's Dream, which aired on KBS1 on every weekday from March 29, 2021 until October 1. On July 15, 2021, Hahm left Cabin 74 after her contract expired. On September 27, 2021, Hahm signed an exclusive contract with Management Koo. On February 15, 2023, Hahm was confirmed to be part of the main cast of JTBC's variety program Differential Class for its new season which premiers on March 5th. Differential Class is a popular informative and award-winning show which premiered in 2017 with a peak rating of 5%. It also has over 500K followers and over 200M Views on YouTube. Advertisements Endorsements and promotions Eunjung has modeled for several brands since before her debut as a singer. Her first ever advertisement was a print-in ad for Korea's No.1 mineral water Jeju Samdasoo in 1998. In February 2011, Eunjung, along with actor Kim Soo-hyun, was chosen as an exclusive model for clothing brand SPRIS. The brand is known to be the most preferred brand among young people with previous models including Lee Joon-gi, Kim Beom and 2PM. The brand was promoted with a series of TV commercial films including a 3-minute music-drama video which featured a newly recorded song by both Eunjung and Kim Soo-hyung called "Crazy4s", though the song was never officially released. In 2015, posters featuring Eunjung as a model for Burger King were released all over Korea, Hahm became the third T-ara member to endorse the restaurant after