"Easter" (復活祭, Fukkatsusai) is a song by Japanese rock band Asian Kung-Fu Generation. It was released as the lead single of their eighth studio album, Wonder Future, on March 18, 2015. Single's B-side, Seaside Sleeping, sung by band's guitarist, Kensuke Kita. This is the second time since World Apart's B-side, "Lies and Wonderland" in 2006. This is the first time band didn't used Yusuke Nakamura's artwork on their single, instead they just used the simple artwork with black color because Masafumi Gotō imagined "Easter" as a grave and resurrection.

The music video for "Easter" was directed by Okita Masaki. The video presented in black and white, features the band playing in a room with birdcages and Gotoh holding a rooster. The video ends with Gotoh cracking an egg and the curtains closed.

All lyrics written by Masafumi Gotoh.

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