You know Kyu mentioned
'Onew having secrets' in his last thanks-to as well. XD
Can I interpret it that Onew keeps making people curious about him? because he doesn't speak a lot about himself and just enjoy listening? :-)
If so, I like him more. It's always good to stimulate people's curiosity as a celebrity, better than showing everything at one go. <333
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Source - dub.dothome.co.kr