UTAUloidの秘密はいかが？ (UTAUloid no Himitsu wa Ikaga?)

UTAUloid No Himitsu Wa Ikaga? is a song sung by Teto Kasane, Mako Nagone, Momo Momone, Sora Suiga, and Rubu Kasumiga. It is a Niconico only song.