Available on iTunes @ http://smarturl.it/iKON_WCB_FULL
#iKON #아이콘 #WELCOMEBACK #지못미 #APOLOGY
More about iKON @
http://www.yg-ikon.com/
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http://www.youtube.com/OfficialYGiKON
http://weibo.com/iKONOFFICIAL
http://twitter.com/ygent_official