f(x)'s Luna has dropped the first teaser image for her solo comeback.

On September 29, Luna shared the concept photo below on Instagram along with the message, "New single coming soon." The teaser image features Luna wearing a silver chainmail headdress.

Luna previously confirmed she'd be making a solo comeback after 2 years since her single "Bye Bye" in 2019. She's expected to release her upcoming single in early October.

Stay tuned for updates.