By2【不夠成熟 2 Young】官方完整版 MV（專輯：16 未成年）
Published October 28, 2011
Views 4.60M | Likes 7.98K | Comments 323
Ranked #1,704,485 globally by view count, this video has accumulated 4.60M views since it was published on Oct 28, 2011.
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