Chikutaku☆2NITE

 is the opening theme for the Ranma ½: Live Action Special and is performed by 9nine. The song is about teenaged girls all dressed up and heading out to a party. As part of the promotion of the song it will be released on Ringtone on December 7th, followed by a single on December 21st. Finally the song will be performed live by 9nine live at the Shinagawa Stella Ball in Tokyo on January 28th.