BTS‘s J-Hope is going viral after being flustered by TWICE Sana‘s unexpected request. BTS’s J-Hope | @uarmyhope/Instagram TWICE’s Sana | @m.by__sana/Instagram Recently, it was revealed that J-Hope would be the next guest on Fridge Interview. In the clip, there was a moment when Sana explained that because they were having “casual talk,” could she call him oppa.…
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