闇のダンスサイト (Yami no Dance Site)

闇のダンスサイト (Yami no Dance Site / Dance Site of Darkness) is a rock song composed by Boomerangpants-P, illustrated by Komigi, and sung by Kagamine Rin, and Kagamine Len.

It reached over 250,000 views on Nico Nico Douga; however the video was removed. Nonetheless, there were numerous covers made for the song.
 * Nicovideo Broadcast (Removed)
 * Youtube Broadcast

Background
The song was first uploaded on January 12th 2009; it quickly became a hit, making it Boomerangpants-P first work to have achieved hall of fame (exceeding 100,000 views). However, due to Boomerangpants-P's retirement announcement on April 27th 2010, the original video on Nico Nico Douga was deleted; nonetheless, derivatives, Vocaloid covers, were still made for the song.

The song tells a tale of two lovers (in this case, Len and Rin), in which one of them were about to disappear. Some parts of the lyrics were completely against each other, though the plot still remains. Reminiscing of the past when they were happy together, Rin bid her farewell.