She wasn’t part of the SM Rookie’s pre-debut team.
In 2015 she joined the show "We Got Married" with BTOB's Yook Sungjae, and went on to win the New Star Award and Best Couple at the MBC Entertainment Awards.
In 2017 Joy debuted as an actress in the lead role of her first drama The Liar and His Lover, and won the Newcomer Award at the OSEN Cable TV Awards. In 2018 she acted in her second lead role in the drama Tempted, and was nominated for Best Actress and Rookie of the Year at the MBC Drama Awards.
In July 2017, Joy appeared on King of Mask Singer where she won her first round of the singing competition program and performed under the alias of Bandabi.
She was ranked as the top girl group member in terms of brand value for both March 2018 and May 2018.
In 2018 Joy endorsed Fitz Beer, and from 2019 Joy is currently the muse of pro Korean makeup brand eSpoir.
Joy has hosted various television programs, most notably Sugarman 2 in 2018 with Yoo Jae-suk, You Hee-yeol, and Park Na-rae, and Pajama Friends with Song Ji-hyo and Jang Yoon-ju.
In 2019 Joy became the main host alongside Jang Yoon-ju of Asia's most popular beauty program Get It Beauty.