너무 아픈 사랑은 사랑이 아니었음을 (Love that is too painful wasn’t Love)
An old Korean song Cover version by Sunny Jang… 김광석 다시 부르기
The original singer is “Kim Kwang-seok”, the legend singer-songwriter in the history of the Music in Korea. More about him: https://en.wikipedia.org/wiki/Kim_Kwa… It was an OST of a Korean Movie published in 2003 called, “The Classic” as well.