"Calling / Breathless" is the 40th single released by Japanese boyband Arashi. "Calling" was used as the theme song for the drama Last Hope starring Arashi member Masaki Aiba. "Breathless" was used as the theme song for the movie Platina Data starring Arashi member Kazunari Ninomiya.According to Oricon, this was the sixth best selling single of the year in Japan, with 881,192 copies.