般若心経ハードコア (Han'nya Shingyou Hardcore)

Heart Sutra Hardcore is a song sung by Miku Hatsune. Kumi Hitsuboku and Mizki Himemi have their own versions of this song as well. It is the two-hundred-and-sixty-fifth track and the two-hundred-and-sixty-sixth track in Other Vocaloid Songs 106 and a deleted song.