What is "irohanihoheto"

, also known by its French title "Les Couleurs Chantent" ("The Colors Sing"), is a song by Japanese musician Ringo Sheena. It was initially released digitally on April 30, 2013, and on May 27 released as one of the A-sides of her 14th single, along with the song " Kodoku no Akatsuki". The release date was the 15th anniversary of the release of Sheena's debut single " Kōfukuron" in 1998. The song was used as the theme song for the drama Kamo, Kyōto e Iku.: Shinise Ryokan no Okami Nikki.