http://black.game.daum.net/black/world/friend/invite.daum?infoId=2&code=AK6WQJRD4TCTYRNRLQ7E

http://black.game.daum.net/black/world/friend/invite.daum?infoId=2&code=T68RS6273RNKNFJ1ZGK1

http://black.game.daum.net/black/world/friend/invite.daum?infoId=2&code=6CJGGVXGD5KP8M5E1VPC

서로 윈윈!