Officers Changmin, Siwon and Donghae were among the celebrities who participated in Hooxi campaign’s song ‘Together As One’.

Videos:

The Music Video can be seen on naver: here

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EDIT: on youtube below:

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For the BTS:

Changmin appears very briefly at 1:39, 1:44, 2:16, and 2:26.

Photos:

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Credits:

Photos from W-Foundation Facebook (W-Foundation, W-재단) and Hooxi : here and here,
Videos posted on MUSIC&NEW(뮤직앤뉴) Youtube MUSIC&NEW naver,
Shared by TVXQ! Express