In July 2010, Tokyo Jihen released two digital singles: "Tengoku e Yōkoso", the theme song for the drama Atami no Sōsakan, and "Dopa-mint!", Tokyo Jihen's third song used Ezaki Glico's Watering Kissmint range of gum [REF].
The single was first announced on December 10, 2010, with a preliminary release date of February 23, 2010 [REF].