Apink's Yoon Bomi always seem to be smiling and being the 'happy virus' all the time. But what the fans don't know is that the idol has so many worries that it seems to be troubling her the more she thinks about. And as their comeback is approaching, the idol can't seem to get a certain group member off her mind...   "I can't stop

"Because of that fateful day, I've been missing you more..."  -Yoon Bomi   She wishes that she could turn back time.