is a Japanese-language song recorded by Japanese singer songwriter Mai Kuraki, taken from her twelfth studio album Kimi Omou: Shunkashūtō (2018)..

It was released on March 9, 2018, by Northern Music and served as the official fight song for 2018 Nagoya Women's Marathon,[1] which was held on March 11, 2018.

It was written by Kuraki and her long-time collaborator, Akihito Tokunaga.

On February 27, 2018, Kuraki announced that she would release three singles "We Are Happy Women", "Do It!"

On the day of the release of "We Are Happy Women", the official trailer for these three songs were uploaded on YouTube.