[1] The band first created a different album also called Radwimps in June 2002, selling copies at live concerts for 500 yen.

It featured the songs "Aoi Haru", "Iyan", "Shinzō", "Moshi mo" and "Aimai", which were all included on their debut album.

The album was preceded by the single "Moshi mo," which was the song that lead the band to win the Yokohama High School Music Festival in 2002.

This was so vocalist Yojiro Noda and other band members could focus on their school exams.

[5] When the band returned in 2004, members Yūsuke Saiki, Kei Asō and Akio Shibafuji were no longer a part of the group, making this album the only with Radwimps' original line-up.