D88EC7E8-E3FB-4F6D-A2CE-00F7A1C48C48@1xCreated with sketchtool.

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脳活革命!40Hzガンマ波で記憶力UP□ミッドナイトジャズで深い眠りと認知症予防

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https://nico.ms/sm44636640?ref=thumb_watch