GACKT Official Weibo update. Translation below:

DIABOLOS〜哀婉の詩と聖夜の涙〜(2005)
19.Love Letter
This song, LOVE LETTER, was only officially sang in the Live at that time. If it’s not because of Christmas or anything, I would probably not sing it…
This really is a very nice song!

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Source: GACKT WEIBO

Translation: GACKT ITALIA Team

Translation © GACKT ITALIA