Song Iyaki

On September 11, 2015, she debuted as a member of the girl group ACE with their debut digital single "Falling Out", under the stage name Youjin. She left the group in 2016. In early 2017, Song Iyaki was added to the lineup of the girl group BaBa under the stage name Jinri and made her debut with the group on March 16, with their second digital single "Funky Music".

However, some months later, she left the group. On October 12, 2018, Song Iyaki made her third official debut in girl group Blue Fox with their debut digital single "I Believe I Can Fly". On September 5, 2022, the group announced that they have disbanded due to personal and health issues.