Secret Number

According to the group, their name means that "Everyone has a secret number [for a password or PIN code], which is usually a birthday, anniversary, or some other special number. We want to hold such special meaning in public. Our logo is designed like a password box with five stars, representing the five of us."

2011-2020: Pre-debut activities

Léa was previously a member of Singaporean-South Korean girl group Skarf between 2011 and 2014 under the stage name Hana. She later participated in Mix Nine under her birth name Mizuki Ogawa in 2017 where she finished in 109th place.

Jinny was previously a trainee under YG Entertainment between 2013 and 2017. She later participated in Produce 48 where she finished in 69th place.

Minji previously participated in the survival program Produce 101 but was eliminated in episode 5, and like Jinny, Minji also participated in Produce 48 and finished in 53rd place

Soodam was once a member of a traditional dance group Little Angels Children's Folk Ballet of Korea

Denise previously participated in a Korean reality television show competition titled K-pop Star 5 and became a member of the Mazinga S unit. Then, in May 2016, Denise became a YG Entertainment trainee for 2 years and chose to leave.

On March 12, 2020, Vine Entertainment announced that the group was initially scheduled for debut on March 26, 2020, however there was a push back due to COVID-19 pandemic.

2020-2021: Introduction, debut with Who Dis?, Got That Boom, Fire Saturday, and new members

On April 29, 2020, the members were revealed in a dance cover video published on YouTube along with the group name Secret Number. On May 6, 2020, Vine Entertainment announced that Secret Number would release their debut single album Who Dis? on May 19. The members were officially introduced individually from May 11 to 14 (in order: Jinny, Léa, Soodam, Dita, and Denise). The debut single album consisting of two tracks, lead single "Who Dis?" and "Holiday", was released on May 19. The group made their broadcast debut on KBS2's Music Bank on May 22 where they performed their lead single "Who Dis?". On May 23, it was announced that the music video "Who Dis?" has more than 5 million views.

On October 22, 2020, Vine Entertainment announced that Secret Number would release their second single album Got That Boom on November 4. The single album, consisting of two tracks, lead single "Got That Boom" and "Privacy", was released on November 4.

Secret Number's commercial success in their first five months earned them several rookie awards at major Korean year-end music award shows, including the Asia Artist Awards, APAN Music Awards, and Asian Pop Music Awards. Additionally, Billboard Korea named them as one of the Rookie K-pop Groups of 2020.

On September 30, 2021, Vine Entertainment announced through their Instagram account that Denise would not be participating in the group's upcoming third album promotions due to contract negotiation matters.

On October 8, 2021, Vine Entertainment announced that Secret Number would release their third single album Fire Saturday on October 27. On October 16, Zuu was introduced as a new member of Secret Number. A day later, Minji was introduced as the second new member.

2022-2023: Denise's departure, Doomchita, and Japanese debut

On February 5, 2022, Denise announced her departure from the group and Vine Entertainment on her Instagram account.

On May 12, 2022, Vine Entertainment announced that Secret Number would release their fourth single album Doomchita on June 8.

On August 5, 2022, Secret Number entered into an exclusive cooperation contract agreement with the company SP & Co., Ltd. for promotion and distribution in Japan

On November 9, 2022, Vine Entertainment announced that Secret Number would release their fifth single album Tap on November 16.

On March 3, 2023, Secret Number released their Japanese debut single "Like It Like It" digitally. It was also announced that the extended play of the same name containing six tracks, including the Japanese debut single, would be released on April 5, 2023. On May 24, 2023, Secret Number released their sixth single album entitled Doxa. And three months later, namely on August 16, 2023, through their social media accounts, Secret Number released their seventh single album entitled Starlight.

On August 31, 2023, Dita was selected as the ambassador for bilateral relations between Indonesia and South Korea, and was inaugurated by the Indonesian ambassador to South Korea, Gandi Sulistiyanto.

On September 25, 2023, Vine Entertainment cooperate with the platform Koong to release a special NFT album Love, Bye performed by Dita, Jinny, and Minji.

2024-present: US debut tour, first solo concert, members' departure and lineup changes

In early 2024, Secret Number announced their debut concert tour in the United States through Studio PAV as promoter titled Unlock. They visited eight cities chosen by polls, starting from Chicago on July 26, 2024, and ending in Los Angeles on August 10. On September 28, 2024, Vine Entertainment collaborated with Chan Entertainment and Tiptip as promoters to hold their first solo concert titled Passworld in Indonesia, which was held at Tennis Indoor Senayan, Jakarta.

On April 2, 2025, Léa left the group after contract expiration. The next day, three other members Dita, Jinny, and Minji also left the group after the contract expired.

On August 14, 2025, Ebin, Min C, Dinda, and Nabi officially joined the group. On August 8, 2025, the group dropped a "coming soon" teaser on their official social media channels, hinting at their upcoming comeback.

On August 12, 2025, it was announced that the group would be releasing their eighth single album "Don't Touch" on August 19.

On December 11, 2025, Soodam exited the group after contract expiration. She was the final member of the original lineup to do so, leaving it with no founding members.

On April 8, 2026, Zuu exited the group following her contract expiration.

On October 5, 2020, Dita was announced as the brand ambassador for global cosmetic brand Nacific Indonesia, while in April 2024, she was chosen to be the ambassador for the health product brand Femmy Fyber.

• Navi (나비)
• Dinda (딘다)
• Ebin (에빈)
• Min C (민씨)

Former members

• Léa (레아), vocalist, rapper
• Dita (디타), dancer, vocalist
• Jinny (진희), rapper
• Minji (민지), vocalist
• Soodam (수담), vocalist
• Zuu (주), vocalist
• Denise (데니스), vocalist

Timeline

Extended plays

Single albums

Singles

Soundtrack appearances

Other charted songs

Music videos

Web series

Headlining concerts

Showcase

Joint tours, concerts, and music festivals

Listicles