Run with U (Fairies song)

Run with U is the 15th single released by the Japanese idol group Fairies. Released on February 26, 2014, the song served as the opening theme for the anime series "M3 ~Sono Kuroki Hagane~" (M3 the dark metal). The single was released in three versions: a CD+DVD version, a CD-only version, and an anime-themed CD-only version. The title track, "Run with U," is a J-Pop song with elements of electronic dance music, characteristic of Fairies' later sound. The lyrics focus on themes of hope, overcoming challenges, and running towards the future, fitting with the anime's themes. The single reached a moderate position on the Oricon charts upon its release.