This 2007 single features the group's signature blend of J-pop and dance-pop, showcasing their energetic performances and catchy melodies. The song became a commercial success, further cementing their status as a top-tier idol group.
- The single was released on September 5, 2007, by Storm Labels Inc.
- "Happiness" was used as the theme song for the Japanese drama "Yamato Nadeshiko Shichi Henge".
- The single reached number 2 on the Oricon weekly charts and sold over 260,000 copies.
Arashi is a Japanese boy band formed in 1999 by Johnny & Associates. They are one of the best-selling boy bands in Japan and Asia.
Tracklist
