イヤホン&ヘッドフォン□ 推奨*Music by Robotic Wisp and xGravity https://youtu.be/5qVSJIKr-o8 ※編集ミス X Gravity →〇 xGravity*Art https://www.wallpapertip.com/ja/TRmTR/
http://www.nicovideo.jp/watch/sm39038501