YOUNG ONE Season 3 Teaser
http://youtu.be/jHOsRA3Pm80 cr. DAY6
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https://twitter.com/day6official/status/1472220103953764352 慶生推文
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https://twitter.com/DAY6_BOBSUNGJIN/status/1472389291901095941 晟鎮賀推
https://www.instagram.com/p/CXqFRdmhAqz/ Young K IG