Lovelyz' Jin is the voice behind "Until My Eyelids Get Heavy" for the 'Love is Annoying, But I Hate Being Lonely' OST.

In the music video above, Cha Kang Woo (played by Ji Hyun Woo) and Lee Na Eun (Kim So Eun) start acknowledging the romance between them. "Until My Eyelids Get Heavy" is a feel-good love song about wanting someone to be by your side until you fall asleep.

Listen to Jin's "Until My Eyelids Get Heavy" above, and let us know what you think in the comments below.