Question: In which group did the singer whose debut extended play was "Full Moon" make her debut?

Context articles: Black and Blonde
Air (French band) discography
New Skin (Jones album)
Fifth Harmony discography
Full Moon (Brandy song)
Sarah Close
Better Together (EP)
Full Moon (EP)
7th Order
Sunmi

Black and Blonde stylized as Black & Blonde is the debut extended play by British recording artist Rainy Milo, released on 22 April 2013 through Universal Music.
 The extended play is Milo's first body of work after signing a contract with Universal.
 The extended play was released after Milo released her mixtape Limey (2012) which gained universal acclaim.
The discography of French electronic music duo AIR consists of seven studio albums (including one collaborative album), one remix album, one soundtrack album, one mix album, two video albums, one extended play, twenty-two singles and sixteen music videos.
 The band's first release was the 1995 single "Modular Mix", which peaked at number 177 in the United Kingdom.
 Their debut extended play, "Premiers Symptômes", was released in July 1997; it peaked at number 12 in the UK and was certified silver by the British Phonographic Industry (BPI). "
Moon Safari", AIR's debut studio album, was released in January 1998.
 It peaked at number 21 in France and was certified gold by the Syndicat National de l'Édition Phonographique (SNEP).
 "Moon Safari" reached the top ten in countries such as Ireland and the UK and produced three singles: "Sexy Boy", "Kelly Watch the Stars" and "All I Need".
 All three singles reached the top 40 in the UK; "Sexy Boy" and "All I Need" reached the top 25 in Finland and the Netherlands respectively.
New Skin is the debut studio album written and conducted by alternative pop singer and songwriter JONES.
 It was released on 7 October 2016 through 37 Adventures Records as the succeeding project to her debut extended play, entitled "Indulge".
 The lead single from the album, entitled "Indulge", was released as a digital download on 17 April 2015 as her debut single.
 It was done so through her debut extended play which was released on the same day.
 The song gave her instant success on popular digital streaming platforms Spotify and SoundCloud and was considered as one of the biggest breakthrough internet successes.
 It was then released officially onto YouTube on 17 October 2015.
The discography of American girl group Fifth Harmony consists of three studio albums, six extended plays, ten singles and thirteen music videos.
 After finishing third on the second season of the American televised singing competition "The X Factor" the group was signed to Epic Records though Syco Music.
 Less than a year later, Fifth Harmony released their debut single from their debut extended play, "Miss Movin' On".
 The single charted on the Mainstream Top 40 and New Zealand, peaking at 27 in both countries.
 It was certified gold in the United States for selling combined sales and track-equivalent streams units of 500,000.
 The group's extended play, "Better Together" peaked at number six on the "Billboard" 200 and number 18 in New Zealand, charting in both countries similar to the group's lead single.
 As part of the promotion for "Better Together", four other versions were released of the extended play, including an acoustic release, a Spanish-language acoustic and a standard Spanish-language translated version as well as a remix edition.
"Full Moon" is a song by American recording artist Brandy Norwood, from her same-titled third studio album (2002).
 A breakaway from Rodney "Darkchild" Jerkins' dominating influence on the album, it was written and produced by Mike City, one of the few producers Norwood worked with on "Full Moon" apart from Jerkins and his production and songwriting crew.
 The song initially impacted on US radios on April 1, 2002 as the album's second single.
 Described by Norwood as "ghetto", the track is a R&B and pop song that makes use of pop and hip-hop influences and a simple, piano–led production.
 Lyrically, the song follows Norwood as she experiences a love at first sight in a nightclub, whose circumstances she attributes to a full moon night.
Sarah Close (born 27 April 1995) is a British singer-songwriter.
 She originally gained popularity posting covers of songs on YouTube.
 Her debut single "Call Me Out" was released on 3 March 2017, followed by her debut extended play Caught Up on 14 April 2017.
 Close signed a record deal with Parlophone Records on 5 July 2017.
Sarah Close followed up her debut extended play by releasing her second single 'Only You' on September 15 2017.
Better Together is the debut extended play by American girl group Fifth Harmony.
 It was their first release after placing third on the second season of American televised reality show "The X Factor", and was released on October 18, 2013 through Epic Records.
 Lyrically, the extended play discusses themes of love, heartbreak and empowerment.
 Throughout the recording process, the group worked with a variety of music producers including Savan Kotecha and Harmony Samuels as well as Julian Bunetta who served as the executive producer of the extended play.
 "Better Together" is primarily a pop record with elements of funk, pop rock, power pop, dance, bubblegum pop, acoustic guitar, R&B and minimalist urban influences.
Full Moon is the debut extended play by South Korean singer Sunmi.
 It was released by JYP Entertainment on February 17, 2014.
7th Order is an American Rock & Roll band whose debut extended play CD release, "The Lake of Memory", was issued on the Big Island Sounds label in 2007 (although 7th Order had been in existence for several years by that time).
Lee Sun-mi (born May 2, 1992), referred to as Sunmi, is a South Korean singer.
 She debuted in 2007 as a member of South Korean girl group Wonder Girls and left from the group in January 2010 to pursue her academic career.