Saikou (Saa Ikou!)

is a song by Poppin'Party.

It is one of the title tracks for their 10th single, together with Double Rainbow. It was released on July 11, 2018.

It was used as the opening theme for the anime Future Card Buddyfight Ace.

It was written by Nakamura Kou, and arranged and composed by Fujita Junpei.

An English version of the song was also added in the English version of the game.