was the original title track for the twenty-eighth single, "Chokkan 2 (Nogashita Sakana wa Ōkiizo!)", of the J-pop idol group Morning Musume, but for unannounced reasons, it was changed to the second track. Speculation has been that previews were received poorly, so to try to gain a new market of fans, it was changed to a song popular at their concerts.

On May 2, 2007, the previously unreleased promotional video for the song was released on , a DVD collection of Morning Musume's music videos.

Members at time of song 4th generation: Hitomi Yoshizawa 5th generation: Ai Takahashi, Asami Konno, Makoto Ogawa, Risa Niigaki 6th generation: Miki Fujimoto, Eri Kamei, Sayumi Michishige, Reina Tanaka 7th generation: Koharu Kusumi

See also Chokkan 2 ~Nogashita Sakana wa Ōkiizo!~

External links "Koi wa Hassō Do the Hustle!" entries on the Up-Front Works official website: CD entry, DVD entry Koi wa Hassō Do the Hustle! lyrics at Projecthello.com