25 (EP)

The EP was released on October 14, 2014 with the song "Pretty Age 25" serving as the lead track and "Don't Look At Me Like That" as a pre-release.

[2] On September 23, Song Ji-eun released her first single "Don't Look At Me Like That", along with a music video.

On October 13, the music video for her second single, "Pretty Age 25", was released.

Song Ji-eun promoted the singles "Don't Look At Me Like That" and "Pretty Age 25" in September and October 2014 on KBS's Music Bank, MBC's Show!

She also held a MelOn showcase on the day of her album release where she also performed her self-composed song "Star".