"Chopper Chopper" and "Survival Girls" represent a transitional phase for Up Up Girls kakko Kari, showcasing their developing dance-pop sound on the T-Palette Records label.
- "Chopper Chopper" was released as a double A-side single with "Survival Girls" on December 5, 2012.
- The single was released by T-Palette Records, a label known for its focus on idol and underground dance music.
- This release came during a period when Up Up Girls kakko Kari were building their discography and touring extensively.
Up Up Girls kakko Kari is a Japanese idol group formed in 2011 by the former members of the idol group S/mileage. They are known for their energetic live performances and a blend of pop and rock music. In 2012, they were establishing themselves as a distinct act after their formation, aiming to differentiate themselves from the mainstream idol sound.
Tracklist
