"Kōya o Aruke" (荒野を歩け, "Walk in the Wild Land") is a song by Japanese rock band Asian Kung-Fu Generation.

It was released on March 29, 2017 and was used as the theme song for the 2017 anime film, Night Is Short, Walk On Girl.

[1] Yūsuke Nakamura, the illustrator for all of the band's artwork, is also the person in charge of the original character design for the movie.

[2] The music video for "Kōya o Aruke" was directed by Nakamura Hiroki.

[3] The video features a girl walk around the city at midnight until morning, with the band appear on her back as projection screen.