回る空うさぎ (Mawaru Sora Usagi)

Background
"Mawaru Sora Usagi" is an original song by Orangestar featuring Hatsune Miku.

The short version of the song was uploaded on Soundcloud, and has gained over 41,000 views.

The full version was later uploaded on niconico and Youtube, with the Niconico upload having gained over 600,000 views, thus entering the Hall of Fame, and the Youtube one over 900,000 views.

This song is featured in Orangestar's album SEASIDE SOLILOQUIES.