Maps of Music

To. Day (2018)

Where the lyrics of To. Day take you, and where it was really made.

The EP came out without one of its members: Jang Gyu-ri stepped away from the group's activities to appear on the Mnet survival show Produce 48.

Place unknown

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Song Ha-young, Park Ji-won and Lee Seo-yeon took part in writing the lead single
Jang Gyu-ri was not involved in the EP
Album released together with the lead single's music video on 5 June

Formed through Mnet's 2017 reality show Idol School; the final nine members were chosen by viewer votes.
Pre-debut single "Glass Shoes" was performed at the 2017 Mnet Asian Music Awards in Japan.
Name "Fromis_" was suggested by netizens; "9" refers to the nine Idol School students.
Debuted on January 24, 2018 with the EP To. Heart.

Five members as of 2025: Song Ha-young, Park Ji-won, Lee Chae-young, Lee Na-kyung, Baek Ji-heon.
Jang Gyu-ri left in July 2022; Lee Sae-rom, Roh Ji-sun, and Lee Seo-yeon left in February 2025.

Management changed several times: Stone Music and Pledis, then Off The Record (2018), Pledis again (2021–2024), and Asnd from 2025.
Released the first full-length album Unlock My World in 2023 and Glow Me in 2026.
Known for upbeat pop, with Billboard noting the shift to funky retro-pop after 2020.
Nicknamed "The Summer Queens" for summer hits such as "We Go" and "Like You Better".

The EP was released on 5 June 2018 by Stone Music, the label credited for the release.
Two physical versions, "D-1" and "D-Day", carried the same six songs, so the choice between them did not change the track list.
The lead single "DKDK (두근두근)" was released alongside the album and its music video on the same day.
The group had built up to the release with a teaser video on 21 May 2018 and with group and individual promotional photos on 24 and 25 May.
On 26 May 2018 the six-song tracklist was confirmed, including the lead single.
Three members, Song Ha-young, Park Ji-won and Lee Seo-yeon, were credited with writing the lead single.
Jang Gyu-ri did not take part in the EP because she was appearing on Produce 48, and the group continued its activities as eight members.

Reviews from critics and publications are not covered in the available material.

Chart positions, sales figures and certifications are not covered in the available material.

Track 5, "CLOVER", was released early through the group's V app reality show THE100, and the members staged a choreography performance built around it.
The Korean article says Jang Gyu-ri, who was absent from the album, is the only member credited on a recording for a track on the EP.
The group kept its promotion going as an eight-member act after Jang Gyu-ri left the lineup for the survival show.
Teaser, photos and tracklist were revealed in stages over the two weeks before the 5 June release.