Look at the picture above (From left to right) Soljin-Hyeri-Minah-Jihae-Yura
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Birth Name: Park So Jin
Stage Name: Sojin
Birthday: May 21, 1986
Position: Leader, Lead Vocalist
Height: 167 cm
Weight: 47 kg
Blood Type: AB
Hobbies: Cleaning, searching for a good song, writing music, browsing YouTube video, shopping, eating snacks, playing piano
Skills: Piano, calligraphy
Favorite Color: black, white, purple
Siblings: younger brother
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Birth Name: Lee Hye Ri
Stage Name: Hyeri
Nickname: Big Laugh Hyeri
Birthday: June 9, 1994
Position: Maknae, Vocalist, Sub Rapper
Height: 167 cm
Weight: 46 kg
Blood Type: AB
Hobbies: Watching movies, reading books
Skills: Marathon, writing
Favorite Color: black, red, purple
Siblings: younger sister
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Birth Name: Bang Min Ah
Stage Name: Minah
Birthday: May 13, 1993
Position: Main Vocalist, Face of The Group
Height: 165 cm
Weight: 47 kg
Blood Type: O
Hobbies: Watching movies, dancing, listening to music, making facial expression
Skills: Acting cute, piano, dancing, singing, impersonating Lena Park
Favorite Color: Red
Siblings: older sister
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[FORMER MEMBER]
Birth Name: Woo Ji Hae
Stage Name: Jihae
Birthday: May 14, 1989
Position: Girl's Day 'Power Dance', Rapper
Height: 163 cm
Weight: 43 kg
Blood Type: B
Hobbies: Music appreciation, shopping, exercising (gym), yoga
Skills: Korean dance, modern dance, ballet, hiking/climbing
Favorite Color: White, gray, black
Siblings: only child
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Birth Name: Kim Ah Young
Stage Name: Yura
Birthday: November 6, 1992
Position: Main Rapper, Vocalist
Height: 168 cm
Weight: 49 kg
Blood Type: O
Hobbies: Painting, dancing, listening to music
Skills: Outstanding dance skills
Favorite Color: strawberry milk color
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Girl's Day (걸스데이) is a four-member girl group under the management of , a subsidiary of -listed agency . The group consists of four girls who perform under the stage names of ,, and . Their biggest hits include "Twinkle Twinkle", "Expectation", "Female President", "Something", "Darling", and "Ring my Bell". Their official fanclub name is Dai5y.
Pre-debut
Dream Tea started Girl's Day promotions before their debut with the creation of an official blog, YouTube channel, and Twitter accounts for the group and each member. A forum made by fans was also recognized by the company as their official international forum. The group also had dance flash mobs before their debut at the commercial and entertainment districts of Seoul, gaining interest of the public.
2010: Debut, line-up change, "Nothing Lasts Forever"From left to right: Sojin, Minah, Hyeri and Yura in November 2010
On July 7, the group released their first music video for the song "Tilt My Head". Two days later their debut mini-album. Girl's Day Party 1, was also released. On September 12, only two months after their debut, it was announced that members Ji Sun and Ji In had left the group to pursue their respective interests; Yura and Hyeri would be added to the group. On October 29, the new line-up released their first digital single album, Girl's Day Party 2, which includes the lead track, "Nothing Lasts Forever" (잘해줘봐야 Jalhaejwo Bwaya).
In December 2010, Girl's Day had their first TV show alongside boy band . The show, We Are Dating, is a spinoff of the hit TV show , paired three members of each group for the first season.
2011: "Twinkle Twinkle", Everyday, "Don't Flirt"
The single "Twinkle Twinkle" (반짝반짝 Banjjak Banjjak) was released on March 16, 2011. On May 17, Girl's Day had their first overseas concert in with U-KISS and . The concert, I Love You Taiwan - We are friends Concert(사랑해(莎朗嘿) 台灣! We are friends 演唱會), was held by Taipei, Taiwan Office in .
Girl's Day's second mini-album, Everyday, was released on July 7. Besides the title track, "Hug Me Once" (한번만 안아줘Hanbeonman Anajwo), the album also contained the song called "Young Love", and the group's previous digital singles,"Nothing Lasts Forever" and "Twinkle Twinkle". This was the first time members Yura and Hyeri were featured in a physically released album as both of them had only participated on digital singles prior to this release. On the album's cover photo, the members were dressed in wedding dresses, which is the album's concept. The music video for "Hug Me Once" was produced by Metaoloz and featured an interactive game experience. The promotions for "Hug Me Once" started on July 8 on 's show , and ended on August 6 on the show Music Core.
In September, the group released a single album titled Girls' Day Party #4 with "Don't Flirt" (너, 한눈 팔지마! Neo, Hannun Paljima!) as the title track. "Don't Flirt" was written and produced by Gang Jeon Hyong and Nam Kisang, the same producers of the songs "Twinkle Twinkle" and "Hug Me Once".
2012: Everyday 2, Jihae's withdrawal, "Don't Forget Me"Girl's Day in 2012
Girl's Day released their third mini album, Everyday 2, on April 17, 2012. It included the title track "Oh! My God", "Don't Flirt", "Two of Us" (둘이서 Duriseo), and "Telepathy", the latter written and produced by Sojin. The promotions for "Oh! My God" started on April 19, on 's .
On October 17, Dream Tea revealed that Jihae had left the group due to personal reasons. The remaining four members of Girl's Day made their comeback on October 26 with the song "Don't Forget Me" from their fifth digital single, Girl's Day Party #5. The music video for the song featured a drama-like story featuring member Hyeri. On this same day, Girl's Day made their first performance of the song on .
2013: Expectation, Female PresidentAt an event in early 2013
Girl's Day released the single "White Day" on February 20. On March 14, the album was released, coinciding with . The music video of the title track, also titled "Expectation", stars member . The song proved to be a commercial success and was awarded the Long-Run Song Award at the 3rd . Girl's day re-released Expectation with "Female President" as the second title track on June 24. On July 7, the group won first place on a music program for the first time since their debut. However, due to the postponement of the broadcast to respect the loss of lives from the , they did not had a chance to receive the trophy. "Female President" was also named one of the top 20 K-pop songs of 2013 by Billboard Korea.
On October 10, Girl's Day released the song "Let's Go", written and composed by , to encourage young adults to work hard for their upcoming final exams.
2014: Everyday 3, Everyday 4, I Miss You
On January 3, 2014, the group's third mini-album, Everyday 3, was released. The album includes the songs "G.D.P" (Intro), "Something", "Whistle" (휘파람), and "Show You", all written and produced by . The music video for the title track, "Something", reached one million views within a day. "Something" became their highest-charting single, peaking at number 2 on Billboard's Korea K-Pop Hot 100 and the Gaon Digital Chart. It also ranked number 1 on the monthly Gaon Digital Chart (January 1–31) and stayed in the top 10 of the K-Pop Hot 100 for 8 weeks. Promotion for "Something" started on January 3, on KBS's , and the song went on to win five music program awards. Later in 2014, "Something" won Best Dance Performance by a Female Group at the .
In July, the single "Darling" was released with the album Everyday 4, again produced by Duble Sidekick. The album also includes the songs "Summer Party" (Intro), "Look At Me", and "Timing". On October 15, Girl's Day released a ballad, "", together with its smart card-type music album. On November 26, Girl's Day released the compilation album,Best Album, in Japan.
2015–present: Hello Bubble, Ring My Bell, Japanese Debut
On May 12, 2015, Girl's Day released the project single "Hello Bubble" in collaboration with Mise-en-scène, a hair care brand currently endorsed with.
Girl's Day released their second full album Love, along with its title track "Ring My Bell", on July 6, 2015. The album also include the songs "With Me", "Come Slowly", "Macaron" and "Top Girl".
On the 13th of August Girl's Day announced that they would debut in Japan the 30th of September with the album Girl's Day 2015 Autumn Party with the Japanese versions of Darling, Twinkle Twinkle and Ring My Bell. Darling will be the main promotional single and will have a MV.