BTS WORLD pre registration page is open!https://t.co/QF0U063WeG
(You can change the language at the bottom of the page KR/ENG/JPN/CN)@BTS_twt

— 아미살롱 ᴀʀᴍʏ sᴀʟᴏɴ (@BTSARMY_Salon) May 10, 2019