[13][14] On March 19, 2021, Yeji was chosen as Studio Choom's "Artist of the Month", where she covered "River" by Bishop Briggs and shared insights into her dance journey.

[15] In June 2022, Yeji, along with fellow Itzy member Ryujin, performed Bebe Rexha's "Break My Heart Myself" in the "Mix & Max" series by Studio Choom.

[16][17] In November 2023, Yeji, alongside groupmate Chaeryeong, appeared as a mentor on SBS TV's reality survival series Universe Ticket.

[18] On December 20, Yeji released a music video for her solo track titled "Crown On My Head", which landed at number 43 on the Circle Download Chart.

[26] In September 2024, Yeji appeared at Milan Fashion Week, attending Dolce & Gabbana's Spring Summer 2025 show.

[27][28] In November 2023, Yeji participated in a fundraising event for the "Love Your W" campaign by W Korea, aimed at raising awareness about breast cancer.