「Ib」-forever-

Background
The third version of the song 「Ib」. This song is based on the freeware horror RPG game Ib created by Kouri.

In this song, Hatsune Miku sings as the character Ib, MAYU sings as the character Marry, and Camui Gackpo sings as the character Garry.

This song has entered the Hall of Fame.