TXT's Yeonjun is gearing up to release the new OST for the drama 'Cinderella at 2AM.' In preparation for the OST's release, a special teaser for Yeonjun's song 'Boyfriend' has just been revealed. Yeonjun's smooth vocals shine in the short clip, as a behind-the-scenes look at the recording process is shown as well.

'Cinderella at 2AM' is a modern take on the Cinderella fairytale. It features a hardworking woman who is an office worker in a relationship with a wealthy chaebol, as they try to overcome obstacles and preserve their relationship.

Yeonjun's special OST 'Boyfriend' will be released today at 6 PM KST.

SEE ALSO: TXT’s Yeonjun releases flirty OST “Boyfriend” for ‘Cinderella at 2 AM’