Saikō (Sā Ikō)!

"" (最高(さあ行こう)！) is the 1st opening theme for Future Card Buddyfight Ace, which is performed by Poppin'Party.

CD/DVD
The single "二重の虹(ダブル レインボウ)", which containing "最高(さあ行こう)！" will be released July 11, 2018. It contains the following tracks:
 * 1.二重の虹(ダブル レインボウ)
 * 2.最高(さあ行こう)！
 * 3.二重の虹(ダブル レインボウ) -instrumental-
 * 4.最高(さあ行こう)！-instrumental-

Trivia

 * 最高 (Saikō) means "The best" and さあ行こう (Sā Ikō) means "Now, let's go".