[Video] G.Na practice till late hours?

G.Na shared a video through her Twitter.

She said,"Practice practice.. ! 3am? Last week sometime =] 3AM KST in the early morning? ㅠㅠ It's a short practice video..On my way home! Now to going sleep goodnight!

G.Na is a really hardworking singer,hope that she had enough rest after that!
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