Provided to YouTube by Aniplex Inc.
I Know "Ai" · Yui (CV:Kanae Ito)
SWORD ART ONLINE CHARACTER SONG COLLECTION
℗ 2013 Aniplex Inc.
Released on: 2014-08-27
Associated Performer: Yui (CV:Kanae Ito)
Lyricist: Hotaru
Arranger, Composer: Yashikin
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