Crystal-P's third published work and one of his most notable songs, erase or zero was uploaded onto Niconico Douga on May 14, 2008. Since then, it has entered the Hall of Fame. This song is featured in Crystal-P's albums, crystaL and zegHed～hana～; in the E.P., erase or zero／kanata; in the compilation album EXIT TUNES PRESENTS Vocalogenesis feat. 初音ミク; and in the official album for Magical Mirai 2014, Hatsune Miku "Magical Mirai 2014" Official Album. It is also featured in the game Hatsune Miku -Project DIVA- F 2nd.