Released digitally on April 22, 2020, and physically on September 30, it was the band's first studio album since their major label debut.

[3] They also announced that the physical release of the album would be postponed due to the declaration of a state of emergency on April 7 with the COVID-19 pandemic.

Although she thought of the phrase, she was unable to expand the image of the song, so she had a jam session with Anami and they completed the melody.

[17] Nagaya intentionally used her modal voice instead of falsetto for the high-pitched parts to "better express the strength and feelings [she] put in the song".

[10] The song was arranged by Tomi Yo, and electro elements and strings were added to a demo produced by Kobayashi.

[18] "Scarlet" was initially written while creating a theme song for the drama You and Me on the G String, and the lyrics were rewritten by Anami.

[10] "Ano Koro Mita Hikari" was first included in the band's extended play Afureta Mizu no Yukue as its lead track, and was composed by Peppe two years before its release.

[20] "Fuyu no Asa" was composed by Nagaya when she was in college and reflects how part of her was unhappy about receiving compliments from her friends about her music career because from her point of view, everyone was amazing too.

[21] In a review for Skream!, Saori Yoshiba wrote that the album is "overflowing with love for music", and that the combination of Haruko Nagaya's emotional vocals and the energy of the rest of the members "make them shine to the fullest".

[8] Atsutake Kaneko, writing for Mikiki, said that the album focuses on Nagaya's "free-spirited" singing and "raised the level of perfection in J-pop".