「ハイハハイニ」(Ashes to Ashes) by Kaito, Vocaloid.
Song here: [link]
So much more simply and rightly put in the Japanese language w.
Sorry I didn't do Kaito justice orz.
This will be the last for ハイハハイニ set!
Right eye edited on Photoshop to give "empty eye socket" look ><