Responses

Pretty sure it's 5 bcz, the others says how he fell in love in 1st sight or how they r in love w each other or smthg similar which isn't true for their relationship. Until now, only yoonsik loves her, in lyric 5, it says how words aren't enough to convey how much he loves her, soo it might be the odd one out and the answer
TAERIN MY GIRL IM NOT THAT SMART WHICH ONE IS IT