"Envy Catwalk" was uploaded on October 22, 2011. This song is Tohma's most popular work, being ahead of his previous most popular work, "Gaikotsu Gakudan to Lilia", by a small amount. This song is featured on Tohma's album Eureka, as well as the compilation albums EXIT TUNES PRESENTS Vocalodream feat. 初音ミク, V love 25～Brave Heart～, and Hatsune Miku 5th Anniversary Best ～impacts～. An alternate version of this song featuring GUMI, titled "envycat blackout", is featured on Tohma's album Azalea no Shinzou. This song has entered the Hall of Legend.