CHINGU MEANS FRIENDS.... THERE ARE SO MANY TYPES OF FRIENDS - CHILDHOOD FRIEND, BEST FRIEND ,JUST FRIEND ,MORE THAN FRIEND A GROUP OF PEOPLE WHO HANGS AROUND AND HAVE FUN CALLED FRIENDS..... BUT IF THEY STOP HANGING AROUND THAN STILL THEY WILL BE ABLE TO CALLED AS FRIENDS... JAEJOONG EUNJUNG AHN JAEHYUN PARK SHIN HYE SONG JOOG KI ARE A GROUP WHO CALLED AS FRIENDS... JAEJOONG EUNJUNG AHN JAE HYUN SONG JOONG KI HAD BEEN FRIENDS SINCE YOUNG THAN ONE DAY THERE IS A NEW ENT