All the limited editions were shipped sealed and included a serial-numbered entry card for the lottery to win a ticket to one of the single's launch events.

The limited editions A and B included a bonus DVD: Limited Edition A DVD contained the "Cha Cha Sing (Dance Shot Ver.)"

The title track "Cha Cha Sing" is a cover of the song "Row Mah Sing" (Thai: เรามาซิง; RTGS: Rao Ma Sing) by popular Thai singer Bird Thongchai,[2] and the first B-side "Loving You Too Much" is also a cover of a song by him, titled "Too Much So Much Very Much".

Yurushite-nyan Taisō" is Momoko Tsugunaga's first solo song.

[4] Prior to the release of the CD single, the music video was distributed exclusively on RecoChoku since July 15.