The song was used in commercials for Coca-Cola, for which it was specifically written, starting in March 2005.

[1] It quickly gained in popularity, prompting Bennie K's management to be flooded with inquiries about a potential release date.

[1] Due to overwhelming fan demand and attention from the general public, Yuki and Cico reworked the song and released it as the lead single to their fourth studio album Japana-rhythm.

"Dreamland" debuted at number 2 on the Oricon Singles Chart with 112,000 copies sold, behind Orange Range's "Onegai!

[6] The single ranked at number 18 on the year-end chart and peaked at number 4 on the monthly chart, where it stayed for two straight months.