[2] Lia initially auditioned for SM Entertainment and passed but was forced to back out at the last minute due to a disagreement with her parents.

[10] While on hiatus, Lia released "Blossom", a solo track dedicated to her fans, which she co-wrote with Sim Eun-ji as part of the group's studio album Born to Be.

[11][12] On July 9, 2024, JYP Entertainment announced that Lia would be resuming activities with Itzy, starting with a new album set to be released in the second half of the year.

[13] In January 2020, Lia was one of the celebrities who participated in Gmarket Global Shop's "Give Love" donation campaign.

[14][15] On August 17, 2022, Lia donated ₩30 million (US$23,229.76) to The Hope Bridge National Disaster Relief Association to help the flood victims.