Preparation Watanabe Mayu before the Graduation Concert begins [Making of Mayuyu Graduation Concert]

“Watanabe Mayu Graduation Concert ~Minna no Yume ga Kanaimasu you ni~” (渡辺麻友卒業コンサート～みんなの夢が叶いますように～) is Watanabe Mayu Graduation Concert. The concert was held at Saitama Super Arena on October 31, 2017.

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