Yousi

On August 15, 2016, she officially debuted as a member of the girl group BADKIZ under the stage name U-Si with the group's fourth digital single "Hothae". On November 9, 2017, it was announced that she, along with Duna, have left the group due to health and personal reasons. In late 2019, she joined the girl group Blue Fox under the name Jiyeon.

However, sometime in 2020, she had left the group. On September 14, 2022, it was announced that she would be rejoining BADKIZ under the stage name Yousi, as the group announced on their Instagram that they are planning to be active again.