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Sweet melody for study, 😴 sleep(since i cannot), helps to relax, can use it for learning.
![세븐틴 SEVENTEEN - 예쁘다 Pretty U [피아노 커버 Piano Cover]](http://i.ytimg.com/vi/5_Ws8_abw0g/mqdefault.jpg)
![세븐틴 SEVENTEEN - 예쁘다 Pretty U [피아노 커버 Piano Cover]](/img/tr.png)
![[INSIDE SEVENTEEN] 부석순 (SEVENTEEN) ‘청바지’ 안무 연습 비하인드 (BSS 'CBZ (Prime time)' Dance Practice Sketch)](http://i.ytimg.com/vi/3umYFkyiLZA/mqdefault.jpg)
Sweet melody for study, 😴 sleep(since i cannot), helps to relax, can use it for learning.