Why don't you give tag on who sang that part
ex: [Jessica]똑바로 해 넌 정말 Bad boy 사랑보단 호기심뿐
I don't really know korean and sometimes kinda lost when trying to read the hangul when watching MVs and listen.. But somethimes i remember when a member doing her part.. So it might help me out to try to sing along.. thx..