Red Velvet – Irene & Seulgi () is the first subunit of South Korean girl group Red Velvet, formed by SM Entertainment in 2020. It is composed of members Irene and Seulgi. The duo debuted on July 6, 2020, with the extended play Monster. Their follow-up EP Tilt came out in May 2025.
History 2020: Formation, debut, and Monster On April 21, 2020, SM Entertainment revealed that Irene and Seulgi would form Red Velvet's first sub-unit. On the same day, it was announced that the unit would release their first extended play in June. The release of the mini album was later postponed on the grounds that it needed additional production on the album, in order to achieve a higher quality of music.
Before their debut as members of Red Velvet, the duo, as part of SR14G (SM Rookies 2014 Girls), notably performed a cover of "Be Natural", a song that was sung originally by S.E.S. Their cover was well received by the public and Lee Soo-man, which eventually prompted the creation of their subunit. They also had several performances together during SM Town Live Special Stages.
On July 6, Red Velvet – Irene & Seulgi released their debut extended play Monster, which contained six tracks, including the singles "Monster" and "Naughty". With the release of their debut album, they became the best selling female sub-unit in South Korea in 2020. The duo made their debut performance on July 10 on Music Bank. From July 8 to September 8, the duo also starred in their own reality show, a spin-off of their group's Level Up Project!. On August 18, 2020, Irene & Seulgi appeared and performed at Time 100 Talks, a live event series wherein global leaders talk about innovative solutions to urgent global problems, and encourage cross-disciplinary action among stakeholders. Before their performance of "Monster", they also offered a message of appreciation and support to the frontliners during the COVID-19 pandemic.
2025–present: Tilt and Japanese debut In 2025, SM Entertainment confirmed that the duo would be releasing new music in May of that year. On April 14, they announced their first Asia tour, Balance, kicking off in Seoul on June 14. On May 7, SM Entertainment announced that the duo's second extended play Tilt would be released on May 26, with the lead single of the same name. On December 31, the duo performed at Let's Celebrate 2026 countdown show held in Sentosa Siloso Beach in Singapore.
On September 9, it was announced that the duo would release their first Japanese mini album Cheetah digitally on September 14 and physically on November 4. Following the release, they would hold the Japan tour, Blank, starting from September 19 in seven cities.
Discography Extended plays Korean extended plays + List of extended plays, showing selected details, selected chart positions, and sales figures Title Details Peak chart positions Sales Certifications KOR BEL(FL) JPNPeaks on the Oricon Albums Chart:
JPNHot UKDown USWorld Monster Released: July 6, 2020 Label: SM, Dreamus Formats: CD, digital download, streaming 2 188 21 35 14 5 KOR: 267,743
KMCA: Platinum Tilt Released: May 26, 2025 Label: SM, Kakao Formats: CD, digital download, streaming 5 — 27 — — — KOR: 197,003Cumulative sales of Tilt:
JPN: 1,554 Japanese extended plays + List of Japanese extended plays, showing selected details, selected chart positions, sales figures and certifications Title Details Peak chart positions Sales Certifications JPN Cheetah Released: September 14, 2026 Label: SM, Avex Trax Formats: CD, digital download, streaming colspan="3"
Singles
Korean singles + List of singles, showing year released, selected chart positions, and name of the album Title Year Peak chart positions Album KORPeak chart positions on Circle Digital Chart (formerly Gaon Music Chart): MYSPeak chart positions on RIM's Top 20 most streamed international & domestic songs in Malaysia: NZHotPeak chart positions on Recorded Music NZ's Hot 40 Singles: SGPPeak chart positions on RIAS's Top Streaming Chart: USWorldPeak chart positions on Billboards World Digital Song Sales:
"Monster" 2020 8 8 30 5 7 Monster "Naughty" — — — — 6 "Tilt" 2025 — — — — — Tilt Japanese singles Title Year Album "Cheetah" 2026 Cheetah
Other charted songs + List of other charted songs, showing year released, selected chart positions, and name of the album Title Year Peak chart positions Album KORDown.Peak chart positions from Circle Download Chart: B-side songs from Monster: B-side songs from Tilt: "Diamond" 2020 55 Monster "Feel Good" 54 "Jelly" 57 "Uncover" (Seulgi solo) 74 "What's Your Problem?" (feat. Julie of Kiss of Life) 2025 56 Tilt "Irresistible" 71 "Girl Next Door" 65 "Trampoline" 70 "Heaven" 75
Videography Music videos Title Year Director(s) "Monster" 2020 Kim Ja-kyeong "Naughty" Shim Jae-young (METAOLOZ) "Irene" "Uncover" (Seulgi solo) "Tilt" 2025 Yun
Tours
Headlining Balance (2025) Blank (2026)
Filmography Reality show Year Title Network Notes 2020 Level Up Thrilling Project! Oksusu, KBS Joy, XtvN Spin-off
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 Gaon Chart Music Awards 2021 Artist of the Year (Digital Music) – July "Monster" Golden Disc Awards 2021 Album Bonsang Monster
Notes
References
External links