Girl group Secret's leader Hyosung had her high school graduation photo revealed by who else but the netizens. She attended and graduated from Goojung High School, where her innocent and pure looking photo was uploaded by a netizen. In the photo, she isn't wearing any makeup yet she looks beautiful. You can definitely see the resemblance from before and after her debut, even though she looks more mature now. Netizens wrote,

"You can feel the high school student's innocence." "There is no difference between now and then."