From Live Tour 2014 : TREE
The song starts around 3:07
(I totally have no idea what that long intro was for)
This song is from the single "Hide & Seek"
released on February 5, 2014.
Composer: 유영진 (Yoo Yeong-Jin), 유한진 (Yoo Han-Jin)
Lyricist: H.U.B
Arranger: 유영진 (Yoo Yeong-Jin), 유한진 (Yoo Han-Jin)
Sources: j-lyric.net (Japanese lyrics), @TVXQSound (romanization, translation)

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