【k-pop】씨스타 (Sistar) – LONELY + Goodbye M COUNTDOWN 170601

【k-pop】씨스타 (Sistar) – LONELY + Goodbye M COUNTDOWN 170601

【k-pop】씨스타 (Sistar) – LONELY + Goodbye M COUNTDOWN 170601

http://www.nicovideo.jp/watch/sm31321667