Countdown performing their songs "I Don't Know (몰라요; Mollayo)", and "Wishlist" which were included on their debut EP Seven Springs of Apink.

[11] In late 2013, she appeared in K-Hunter's "Marry Me" music video and was featured in hip-hop group M.I.B's song "Let's Talk About You".

[19] In September 2015, she was cast in KBS' 10-episode web television series Love Profiler K as top star Yuna,[20] which aired in November on Naver.

[21] She then joined the fourth season of We Got Married along with actor Choi Tae-joon who serves as her virtual husband on the show.

[24] In October, she joined the cast of the television series Please Don't Date Him, which stars Song Ha-yoon and Lee Jun-young.

[25] In June 2022, Yoon along with Chorong formed Apink's new sub-unit called "ChoBom", they released their first single album Copycat on July 12.

[28] The series later became the highest viewership in tvN's history with 24.9% in the last episode,[29] and also gained global popularity with 400 millions accumulative views on Netflix.