Ib -Forever-

Ib -Forever- is a song sung by Miku Hatsune, Mayu Hidari, and Gackpo Camui. Gekiyaku Suuji, Shirezu Namae, and Shiro Ukyou have their own version of this song as well. It is the one-hundred-and-ninety-ninth track, the two-hundredth track, the two-hundred-and-first track, and the two-hundred-and-second track in Other Vocaloid Songs 104.