Hatsune Miku Original Song "tetra"

I want to do mathematics and physics well Rules are invisible, this makes them difficult. But they are certainly exist. So seek it. - This song is included in my 5th album! https://itunes.apple.com/jp/album/mirai-to-aru-machi-enju/1420354558 * Twitter https://twitter.com/keisei_1092 * Instagram https://instagram.com/keisei_1092 * niconico http://www.nicovideo.jp/mylist/10180194 * YouTube https://youtube.com/user/keisei1092/ * SoundCloud https://soundcloud.com/keisei_1092 * piapro https://piapro.jp/keisei_1092 * Bandcamp https://miraitoarumachi.bandcamp.com * BOOTH https://miraitoarumachi.booth.pm * Patreon https://www.patreon.com/keisei_1092 * pixiv FANBOX https://www.pixiv.net/fanbox/creator/604687