Swan did the guide version of Chungha's "Snapping" and participated in the chorus of the official release as the background vocals.

[2] On July 23, 2020, Swan was confirmed to be a member of Purple Kiss with the release of her debut trailer on the group's YouTube channel.

[3][4] In September, she had a temporary hiatus for health reasons, making her unable to participate on the group's first pre-debut release, "My Heart Skip a Beat".

[7] A day before, Swan, along with other 47 contestants, was revealed by Mnet as the lineup for its music survival show Artistock Game.

[10] On June 20, RBW confirmed that Swan would make her debut as a solo artist in July with Jung Key, which had previously worked with her, as the producer of the release.