Jisuk and Goo Seung Hyun play piano together
(credit: ccy1617, tudou.com)
Link: http://www.tudou.com/v/KI_bEKTxdHU
Link: http://www.tudou.com/programs/view/KI_bEKTxdHU/
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(credit: Jisuk, Goo Seung Hyun, KMStarEntertainment, Tasanjisuk Fan Club, tvN)