''Monster'' is the debut

extended play An extended play record, usually referred to as an EP, is a musical recording that contains more tracks than a single but fewer than an album or LP record.

Red Velvet – Irene & Seulgi Red Velvet – Irene & Seulgi (; stylized as Red Velvet - IRENE & SEULGI) is the first sub-unit 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, 2 ...

, the first sub-unit of South Korean girl group Red Velvet. It was released on July 6, 2020, by

SM Entertainment SM Entertainment Co., Ltd. () is a South Korean multinational entertainment agency. It is one of South Korea's largest entertainment companies where it was established in 1995 by record executive and record producer Lee Soo-man. The company ha ...

, with Dreamus serving as the South Korea distributor. The EP contains six tracks, including the title track of the same name and a follow-up single " Naughty".

Background and release

On April 21, 2020, SM Entertainment confirmed that Irene and Seulgi would form Red Velvet's first sub-unit and that the duo was in preparation for their first major release in around June 2020. The release of the mini album was postponed from June 15 to July 6, 2020, on the grounds that it needed additional production on the album, in order to achieve a higher quality of music. The physical release contains two different versions with a CD, a photo booklet, a lyric book and collectibles.

Commercial performance

According to Hanteo, ''Monster'' sold over 80,000 copies on its first day of availability, beating Red Velvet's first day and first week album sales records of the group's sixth extended play '' The ReVe Festival: Day 1'', which set the record at 45,080 copies for its first day, and 71,431 copies for its first week. It also became the best-selling girl group sub-unit album of all time, surpassing ''

Twinkle Twinkle may refer to: * Twinkling, the variation of brightness of distant objects People * Twinkle (singer) (1948–2015), born Lynn Annette Ripley, English singer-songwriter * Twinkle Khanna, Indian movie actress * Twinkle Bajpai, female conte ...

'' (2012) by

Girls' Generation-TTS Girls' Generation-TTS (, also known as TTS, TaeTiSeo, or Girls' Generation-TaeTiSeo) is the first sub-unit of South Korean girl group Girls' Generation, formed by SM Entertainment in 2012. It is composed of three Girls' Generation members: Taeye ...

. The EP reached 100,000 copies sold on Hanteo in under 3 days, making it the first Red Velvet album to do so. The EP debuted at number five on the ''

Billboard A billboard (also called a hoarding in the UK and many other parts of the world) is a large outdoor advertising structure (a billing board), typically found in high-traffic areas such as alongside busy roads. Billboards present large advertis ...

'' World Album Chart, becoming the duo's top-five entry.

Track listing

Notes: * "Naughty" is only available in the EP as a CD-only track. It was omitted from the digital release of the EP until July 20, 2020, when it was released on Korean music sites as part of the EP and as a standalone digital single in international music sites.

Credits and personnel

Credits adapted from the liner notes of the EP. Musicians *

Irene Irene is a name derived from εἰρήνη (eirēnē), the Greek for "peace". Irene, and related names, may refer to: * Irene (given name) Places * Irene, Gauteng, South Africa * Irene, South Dakota, United States * Irene, Texas, United States ...

vocals , background vocals ** Seulgivocals , background vocals * KenzieKorean lyrics * JQ (makeumine works)Korean lyrics * Lee Yeon-ji (makeumine works)Korean lyrics * Kim Yeon-seoKorean lyrics , composition , background vocals * Lee Seu-ranKorean lyrics * Park Green (153/Joombas)Korean lyrics * Yaakov "Yash" Gruzmancomposition , arrangement , drums , keyboards & synths * Delaney Janecomposition , background vocals * Jenson Vaughncomposition *

Yoo Young-jin Yoo Young-jin is a South Korean singer-songwriter, record producer and vocal trainer under SM Entertainment. He has produced and written songs for H.O.T., S.E.S, BoA, Shinhwa, TVXQ, CSJH The Grace, Super Junior, Girls' Generation, Shinee, f ...

composition , arrangement * Moonshinecomposition , arrangement * Louise Frick Sveencomposition , background vocals * Charite Vikencomposition , background vocals * Daniel "Obi" Kleincomposition , arrangement *

Andreas Öberg Andreas Öberg (born 6 August 1978) is a Swedish guitarist, songwriter, and music producer. Music career Öberg was born in Stockholm on 6 August 1978. When he was seven, he took classical guitar lessons at school. He played electric guitar w ...

composition , guitar *Tania Dokocomposition *Maribellecomposition *MinGtioncomposition , arrangement , piano , bass *

Andrew Choi Andrew Choi (Hangul: 앤드류 최; Korean name: Choi Sung-hyun; Hangul The Korean alphabet, known as Hangul, . Hangul may also be written as following South Korea's standard Romanization. ( ) in South Korea and Chosŏn'gŭl in Nort ...

composition *Joseph Hongcomposition , arrangement *Jae Shimcomposition *Krizbackground vocals *Seo Mi-raebackground vocals Technical * Yoo Young-jindirecting , recording , digital editing , mixing engineer , mixing * Kenziedirecting * ButterFlyvocal directing , Pro Tools operation , digital editing * Kim Yeon-seodirecting * Krizvocal directing * Jeong Eui-seokrecording , mixing * Noh Min-jirecording , mixing engineer * Kim Cheol-soonrecording , mixing * Lee Ji-hongrecording , digital editing , mixing engineer , mixing * Jung Yoo-radigital editing * Lee Min-kyudigital editing , mixing engineer , mixing * MinGtiondigital editing * Namkoong Jinmixing * Cheon Hoonmastering * Kwon Nam-woomastering

Charts

Weekly charts

Monthly charts

Year-end charts

Certifications and sales

Release history

References

{{Red Velvet - Irene & Seulgi, state=collapsed 2020 debut EPs Red Velvet (group) EPs SM Entertainment EPs Korean-language EPs IRiver EPs