Get ready for H1-KEY’s return!

On February 11 at midnight KST, H1-KEY released their first teasers for their upcoming digital single “Deeper,” which is due out on February 15 at 6 p.m. KST.

“Deeper” will be the second installment in H1-KEY’s new “H1-KEYnote” project, which kicked off with their previous single “Thinkin’ About You” last month.

Check out H1-KEY’s “Cloudy” concept posters for “Deeper” below!

H1-KEY(하이키) Thinkin’ About You Official Live Clip


NamePosition(s)Years active
Seoi (서이)Leader, Vocalist2021–present
Riina (리이나)Dancer, Vocalist2021–present
Hwiseo (휘서)Main Vocalist, Rapper2022–present
Yel (옐)Rapper, Dancer, Vocalist, Maknae2021–present
Sitala (시탈라)Rapper, Vocalist2021–2022

Who Are H1-Key?

H1-KEY (하이키; read as High-key) is a four-member girl group formed by GLG and Sony Music. They made their debut on January 5, 2022 with the single album “Athletic Girl”.


On November 18, 2021, Naver News revealed that Grandline Group (GLG), the newly-established K-pop sub-label of Grandline Entertainment (GRDL), would be debuting a new girl group on January 5, 2022. The group name is inspired by the word “high-key”, and aims for a confident and healthy beauty. Later on November 20, 2021, the group announced their official SNS accounts.

On November 23, 2021, Yel was officially announced as the group’s first member via a choreography video. On November 26, 2021, Seoi was introduced as the group’s second member. Three days later, on November 29, Riina, a former Produce 48 contestant and WM Ggumnamu member, was revealed as the third member. On November 30, Sitala was introduced as the group’s fourth member.

2022: Debut with “Athletic Girl”, Sitala’s departure, “Run” with addition of Hwiseo

On December 21, 2021, via the group’s SNS it announced with a promotion schedule that they will make their debut with the first single album titled, “Athletic Girl”, which was released on January 5, 2022.

On May 25, GLG announced Sitala had departed from the group due to personal reasons.

On June 7, a teaser posted on the group’s official SNS for their first comeback to be released on July 6, with a new member. Later on June 9, a promotion schedule posted and revealed the title of their first maxi single album, “Run”. On June 14, Hwiseo introduced as a new member of the group with teaser photos for their first maxi single.

2023: Rose Blossom, Seoul Dreaming

On December 7, 2022, a scheduler was released for their first mini album, Rose Blossom, set to be released on January 5, 2023.

In an interview released on March 13, the group revealed that they are currently recording songs for their upcoming album. On August 1, the group announced their comeback with second mini album, Seoul Dreaming, set to release on August 30. “Time to Shine” will be pre-released on August 23.

2024: “Thinkin’ About You”, “Deeper”

On January 11, a teaser was posted for their upcoming digital single “Thinkin’ About You”, set to be released on January 19.

On February 11, a concept poster was posted for their upcoming digital single “Deeper”, set to be released on February 15.

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