is the fourth single by Nogizaka46, released on December 19, 2012. It debuted in number one on the weekly Oricon Singles Chart. It also reached number one on the Billboard Japan Hot 100. The music video was directed by Kazuma Ikeda. He later directed the music video for Keyakizaka46 debut song Silent Majority.
This single was released in 5 versions. Type-A, Type-B, Type-C, a regular and anime edition. The first three editions are CD+DVD. The B-side track, "Yubi Bà Âenkyà Â", was used as the ending to the anime '.
The center position in the choreography for the title song is held by Rina Ikoma.