Seo Hyun Jin (서현진) & Yoo Seung Woo (유승우) - What Is Love (사랑이 뭔데) Lyrics (Oh Hae Young Again (또 오해영) OST Part 3 (tvN 월화드라마)) + English Translation , HANGUL LYRICS 나른한 햇살이 찾아들면 멍하니 창밖을 … [Read more...] about Seo Hyun Jin & Yoo Seung Woo – What Is Love (사랑이 뭔데) Lyrics (Oh Hae Young Again OST) + Translation