The double A-side single "Hello, World!/Colony" served as the lead release from the band's seventh album, "Butterflies". It marked their first release with Toy's Factory after a long tenure with Stardust Records.
- "Hello, World!" was used as the opening theme song for the anime series *Blood Blockade Battlefront*. "Colony" was featured as the theme song for the film *Dragon Ball Z: Resurrection 'F'*. Both songs were recorded at Victor Studio in Jiyugaoka, Tokyo.
- The single debuted at number 2 on the Oricon weekly singles chart, selling over 100,000 copies in its first week. It was certified Gold by the Recording Industry Association of Japan.
- "Hello, World!" became one of the band's most recognizable songs, frequently played live and a staple on their greatest hits compilations. This double A-side showcased their continued success in blending rock with mainstream appeal.
Bump of Chicken is a rock band from Chiba, Japan, best known for their melodic, anthemic alternative rock. In 2015, they were at a career peak following the success of their album "Ray" and were preparing for their biggest arena tour yet.
Tracklist
