「traveling – Hikaru Utada」Wiki
"Traveling" (stylized as traveling) is the 9th Japanese-language single (11th overall) by Hikaru Utada and 2nd single on the Deep River album. It was released on November 28, 2001. It hit #1 on the Oricon chart, selling 277,100 in its first week. It has sold 856,000 copies. "Traveling" was released in two versions: CD and DVD. It was used as the DoCoMo FOMA CM song. The PV for traveling was directed by Utada's ex-husband, Kazuaki Kiriya (who also shot the photography and helped with the art direction), and is the second of the famous Kiriya Trilogy of Utada promotional videos. This is the second of Utada's singles to have a DVD Single. The single charted for 21 weeks.
(Wikipedia contributors. "Traveling (Hikaru Utada song)." Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 26 Dec. 2013. Web. 2 May. 2014.)