Listen to both and which one do you like?
the song i got is this one sing by kim yeon woo . From the first time i hear this song, i like it already, the song n the singer is very powerful, and since it is from recording live show, it is soo much better ...
after i find the above youtube, then find another version sing by different singer -- the below youtube is sing by A-RE
this is the lyrics:
copy paste from this website: Jet Lyrics (btw, this Lyric website is nice, because you can hide or show the romanization of the lyrics)