Sevenus (; stylized in all caps) is a South Korean male duo consists of Heejae and Ireah under PCS Entertainment.
On the survival competition show Peak Time, Heejae and Ireah participated as two members under their former group name Masc (; stylized in all caps). After finishing in second place, it was announced on May 3, 2023 that they had signed an exclusive contract with PCS Entertainment and would embark on their new start and reform the group as a duo. On May 9, 2023, the duo announced they would change their name to Sevenus. The "seven" holds meaning to them because they were Team 7:00 while on the show, and being with the fans is referred to in the word "us".
History
2016–2020: Masc debut, activities and disbandment
Masc officially debuted as a four-member group comprising Heejae, Woosoo, 26, and ACE under JJ Holic Media on August 19, 2016. At the same time, the group released their first mini album Strange, including a lead single of the same name.
The group released its second single, "Tina", on February 4, 2017. Ireah joined the group as a new member along with Moonbong, Doeun, and Chibin, and they were introduced with the release of Masc's third single, "Do It", on October 12.
In July 2018, Chibin alleged that ACE had assaulted him, leading to both members leaving the group. Soon after, member 26 left the group to focus on a career in film. In October, the group announced it would resume activities with four members: Woosoo, Heejae, Ireah, and Moonbong.
Masc released the single "Maschera" on May 27, 2019. That year, the group toured South America in May and Europe in June and July.
On October 18, 2020, the group announced their disbandment through a YouTube video.
2023–present: Peak Time's Team 7:00, reformation and Summús
In February 2023, members Heejae and Ireah first appeared as a singing duo on the JTBC reality competition show Peak Time. The pair were introduced in the show as Team 7:00, as the show's contestants were represented with an hour of the day. They revealed their group name as Masc during the show's final episode in April, and they ultimately came in second place. In May, they signed with PCS Entertainment and announced they would reform the group as a duo and promote it under the new name, Sevenus.
Sevenus released their debut single album Summús on July 31, with "Wonder Land" as the lead single.
Members
Current members (as Sevenus) Heejae () Ireah ()
Past members (as Masc) Woosoo () 26 () ACE () Doeun () Chibin () Moonbong ()
Timeline
Discography Extended plays +List of extended plays, with selected details, chart positions and sales Title Details Peak chart positions Sales KOR Strange: Spring Canvas: Stay Tuned: White Fall: Masc StrangeReleased: August 19, 2016 Labels: JJ Holic Media, Lotus E&M Format: CD, digital download, streaming 25KOR: 822Sevenus Spring CanvasReleased: March 15, 2024 Labels: PCS Entertainment, Warner Music Korea Format: CD, digital download, streaming 6 KOR: 44,334Cumulative Sales of Spring Canvas:
Stay TunedReleased: December 9, 2024 Labels: PCS Entertainment, Warner Music Korea Format: CD, digital download, streaming 9 KOR: 11,977Cumulative Sales of Stay Tuned:
White FallReleased: November 25, 2025 Labels: PCS Entertainment, Warner Music Korea Format: CD, digital download, streaming 23 KOR: 23,133
Single albums +List of single albums, with selected details, chart positions and sales Title Details Peak chart positions Sales KOR Summús: Summús Released: July 31, 2023 Label: PCS Entertainment, Warner Music Korea Formats: CD, digital download, streaming 16 KOR: 36,087Cumulative Sales of Summús:
Singles +List of singles, showing year released, chart positions and album name Title Year Peak chart positions Album KORDown.Peak chart positions on Circle Download Chart:
"Wonder Land": Masc"Strange" ()2016 —Strange"Tina" ()2017—rowspan="3" "Do It" ()—"Maschera" 2019—Sevenus"Wonder Land"2023127Summús"Mirror"— "Want You Back" 2024— Spring Canvas "Pretty Good"—"Ten Thousand Possibilities of Falling in Love with You" ()— "Slomo"— Stay Tuned"Airplane Mode"2025— White Fall "—" denotes releases that did not chart or were not released in that region.
Collaborations +List of collaborations Title Year Member(s) Other artist(s) Album "Your Time" 2023 All Peak Time Top 6 (Vanner, Team 24:00, DKB, BAE173, M.O.N.T)
Compilation albums +List of compilation albums Title Year Album "Hello" (orig. song by NU'EST) 2023 Peak Time – Survival Round "You Are" (orig. song by Got7) Peak Time – 1 Round <Rival match> Part.2 "Doesn't Matter" Peak Time – 3 Round <Originals match> "Wave" Peak Time – <Final Round>
Filmography
Television shows +List of television show appearances Year Title Network Role Notes 2023Peak TimeJTBCContestant as Team 7:002nd Place
Awards and nominations + Name of the award ceremony, year presented, category, nominee of the award, and the result of the nomination Award ceremony Year Category Nominee / Work Result Asia Artist Awards2023Popularity Award – Male SingerSevenus2024 K-Star MVA2023Next Star – Men
Honors +Name of organization, year given, and the name of the honor Organization Year Honor Korea Best Brand Awards:Korea Hallyu Entertainment Award2024Asia Star Award – Asian Male Duo Korea Best Brand Awards:Proud Korean Award Proud Korean Grand Prize Award
Notes
References