Opening 02-Believe in my Existence

'''Believe in my Existence was the 2nd opening theme of Cardfight!! Vanguard Anime. It's also 2nd and last opening theme used in 1st season. The theme is performed by the Japanese group JAM Project. It debuted in the Episode 34: It's Summer! It's Camp! It's Vanguard! of the anime. This theme has an English version performed by the same group that was not used to English dubbed for reasons unknown.'''