[2] After their debut album Kyōiku, two of the original members of the band made decisions to leave, and were replaced by pianist Ichiyo Izawa and guitarist Ukigumo.

[4] In late 2006 and 2007, Sheena briefly resumed solo activities in collaboration with Neko Saito, on Heisei Fūzoku (2007), a soundtrack album for the Mika Ninagawa film Sakuran.

While Sheena is the primary songwriter for her solo career and for Tokyo Jihen's first two albums, she occasionally goes through periods of not being able to write music.

[1] The band appeared in magazines What's In, Dazed & Confused, Barfout!, Rockin' On Japan, Oricon Style and Smart to promote the release, as well as having special features on websites such as Biglobe, What's In?

[12][13] It features Sheena walking forward in the rain, in the park area outside Saitama Super Arena.

During the final instrumental section of the song, the rain stops, and six dancers in business attire dance the charleston.

[15] Reviewer Reiko Tsuzura called the song a "charming pop melody", and praised the lyrics as "sparkling".

[17] For the B-sides, CDJournal described "BB.Queen" as "heavy psychedelic rock " that was "the height of hysteria while still being fine quality pop."

[17] In reviewing "Karada", they noted the song's "gentle sweet melody and jazz essence", believing it was illustrative of a "Tokyo Jihen-style album-oriented rock style" the band was developing.