is the 7th major single by the Japanese girl idol group S/mileage. It was released in Japan on September 28, 2011, on the label Hachama.
The physical CD single debuted at number 3 in the Oricon daily singles chart.
In the Oricon weekly chart, it debuted at number 4.
The B-side of the Limited Edition C is a cover of the song "Boogie Train '03" by Miki Fujimoto. She released it as a single in 2003.
The single was released in five versions: four limited editions (Limited Editions A, B, C, and D) and a regular edition.
All the limited editions came with a sealed-in serial-numbered entry card for the lottery to win a ticket to one of the single's launch events.
The corresponding DVD single (so called Single V) was released 2 weeks later, on October 12, 2011.
S/mileage members: