"Click" is a pop song by the Japanese duo and idol unit ClariS, written by Kz. It was released as the unit's ninth single on January 29, 2014 by SME Records. The song was used as the first opening theme to the 2014 anime series Nisekoi. A music video was produced for "Click", directed by Jungo. The single peaked at No. 7 on Japan's weekly Oricon singles chart.

Nisekoi: False Love is a Japanese romantic comedy manga series written and illustrated by Naoshi Komi. Nisekoi was first published as a one-shot manga in Shueisha's seasonal Jump Next! magazine before being serialized in the shōnen manga magazine Weekly Shōnen Jump from November 2011 to August 2016, with its chapters collected in 25 tankōbon volumes. Nisekoi was published in English in Viz Media's digital magazine, Weekly Shonen Jump and was also released by the publisher in English in digital and print volumes. A three-volume novel series, titled Nisekoi: Urabana, written by Hajime Tanaka, was released from June 2013 to April 2015.