Happy Synthesizer（ハッピーシンセサイザ English ver.）【巡音ルカ GUMI】
Published February 10, 2017
Views 1.61M | Likes 24.2K | Comments 814
Ranked #586,048 globally by view count, this video has accumulated 1.61M views since it was published on Feb 10, 2017.
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