群青硝子のスピカ (Gunjou Glass no Spica)

Gunjou Glass No Spica is a song sung by YUU Minorun, KYO Nanox, and WIL Maui. It is the eighty-first track, the eighty-second track, and the eighty-third track in Other Vocaloid Songs 75: 8 New Vocaloids Volume 3.