The 16 members from the group who advanced into the semi-final and final rounds of the tournament are those that were featured in this single.

From this, the Top 8 were chosen to be the main vocalists while member Mariko Shinoda, who came at first place in the tournament, is in the center position.

The single's title song was announced to be "Ue Kara Mariko" on October 29 at the Flying Get handshake event at Ajinomoto Stadium.

[1][3] The words "ue kara" ("from above", "from the top") might be seen as referring either to Mariko being the eldest[3] or the tallest in the group, or both.

Penguin" was instead sung by Team 4 and appears only on the Theater Edition of the single.