"Butterfly Effect" (バタフライエフェクト) is the 6th major single by the Japanese girl idol group Shiritsu Ebisu Chugaku.

It was released in Japan on June 4, 2014, on the label Defstar Records.

[1][2] The song was used as the opening theme for the 2014 anime series Nanana's Buried Treasure.

The single was released in three versions: the Limited Anime Edition, the Limited Yodel Edition, and the Regular Edition.

The Limited Anime Edition includes a DVD with the music video for the title track, while the other two editions are CD-only.