Koi (song)

It was released on 5 October 2016 through Victor Entertainment and Speedstar Records as Hoshino's ninth single, and served as the theme song for the TBS television series The Full-Time Wife Escapist, in which he starred alongside Yui Aragaki.

The single debuted at number two on the Oricon Singles Chart and the Billboard Japan Hot 100 chart, before peaking at number one on the Japan Hot 100 the week after,[1] becoming Hoshino's first number one song on the Japan Hot 100 chart.

The accompanying music video, styled in black, white, and yellow and directed by Kazuaki Seki, features Hoshino and Elevenplay dancers performing a series of dance moves, dubbed the "Koi Dance", as choreographed by Perfume choreographer, Mikiko Mizuno.

Performed by The Full-Time Wife Escapist cast at the end of every episode, the dance became popular in Japan and has since been widely covered on YouTube and social media.

[3] To date, the music video has been viewed over 280 million times on YouTube.