ハレハレヤ (Harehare Ya)

Background
"Harehare Ya" is an original song by Hanyuu Maigo featuring flower, with Hatsune Miku's uncredited vocal as back-up.

This song has entered the Hall of Fame, and has also gained over 1 million views on YouTube. It is featured in Hanyuu Maigo's album Ukiyo Meguri (浮世巡り).