Its concept, featuring flowers in full bloom and the members in various states of waking, was called "colorful and sensual".

[8] Over February 6–7, unreleased photos of the members were revealed as part of their early promotions for the upcoming comeback.

Billboard described the title track "Fiesta" as a "festive synth pop song which takes its name to heart with the sliding, synth pop throbber of a track that explodes into a brass led dance breakdown" and reported that the mixed emotions portrayed in the other tracks of the album show power in the group coming together in moments of collective delicate vulnerability.

[9] Kat Moon of Time named the album as one of the best K-pop releases of 2020 noticing how fierce and bold girl crush image has become increasingly popular in K-pop but Iz*One's image has stayed unapologetically sweet and cute.

[10] The album topped in its first week of pre-order availability across various Korean and Japanese websites, including Aladin, Yes24, and Tower Records.