[OFFICIAL PICS] 7 FOR 7 MEMBER TEASER (MARK) Posted by youngjaechoiID 0 View this post on Instagram GOT7 <7 for 7> TEASER VIDEO #Mark #GOT7 #갓세븐 #7for7 #YouAre @mark_tuan A post shared by JYPnation (@jypentertainment) on Sep 30, 2017 at 7:59am PDT Photos