the_hole_(utau) A song by r-906 featuring Adachi Rei and Hatsune Miku. The PV is also illustrated and animated by r-906. See alsoList of vocal synth songsList of Vocaloid songsExternal linksYouTube: the Hole / 足立レイNicoNico: the Hole / 足立レイRevision 7 by Anonymous at 2025-04-20 22:40:46.521916