Question: Skool Luv Affair is the second extended play by what seven member South Korean boy band that was formed by Big Hit Entertainment?
Context: "Miracles in December" (Hangul: 12월의 기적 ) is a song recorded by South Korean boy band Exo for their second extended play "Miracles in December".  It was released in both Korean and Chinese by S.M. Entertainment on December 4, 2013. The following is the discography of South Korean boy group BTS.  The group debuted in South Korea on June 2013 with single album, "2 Cool 4 Skool", at number 5 on South Korean Week 31 Gaon Weekly Chart.  They made a comeback on September 2013 with an extended play, "O!RUL8,2? ", which peaked at number 4 on Week 38 Gaon Weekly Chart.  BTS then released their second extended play, "Skool Luv Affair", in February 2014, where it charted at number 1 on Week 18 Gaon Weekly Chart.  This also marked the first time their album charted on international charts, Billboard World Albums and Japan's Oricon Chart, specifically.  A repackaged version of the album, "Skool Luv Affair Special Addition" which was released in May 2014, also peaked at number 1 on Week 21 Gaon Weekly Chart. Love Yourself: 承 'Her' is the fifth extended play by South Korean boy group BTS.  The EP was released on September 18, 2017 by Big Hit Entertainment.  The album was released in four versions, and contains nine tracks with "DNA" as its lead single.  In addition, there are two hidden tracks that are only available on the physical album. This is a list of awards and nominations received by BTS, a South Korean boy group that debuted in June 2013 under Big Hit Entertainment.  On May 5, 2015, the band won their first number-one win on South Korean music program "SBS The Show" with their third mini album "The Most Beautiful Moment in Life, Part 1." Kim Nam-joon (Hangul: 김남준 ; born September 12, 1994), better known as Rap Monster, is a South Korean rapper, songwriter, and record producer.  He is the main rapper and songwriter of the South Korean boy group BTS, managed under Big Hit Entertainment.  In 2015, he released his first solo mixtape, "RM".  To date, he has recorded with artists such as Wale, Warren G, Gaeko, Krizz Kaliko, MFBTY, and Primary. O!RUL8,2?  is the first extended play by South Korean boy band BTS.  It was released on September 11, 2013 as the second album after "2 Cool 4 Skool".  The album consists of ten tracks, with "N.O" or "No Offense" as the lead single.  The group later promoted "Attack On Bangtan (진격의 방탄)", another track from the album. BTS, also known as Bangtan Boys or Beyond The Scene, is a seven-member South Korean boy band formed by Big Hit Entertainment.  They debuted on June 12, 2013 with the song "No More Dream" from their first album "2 Cool 4 Skool", for which they won several New Artist of the Year awards, including at the 2013 Melon Music Awards and Golden Disc Awards and the 2014 Seoul Music Awards.  The band continued to rise to widespread prominence with their subsequent albums "Dark & Wild" (2014), "The Most Beautiful Moment in Life, Part 2" (2015) and "" (2016), with the latter two entering the Billboard 200.  "The Most Beautiful Moment in Life: Young Forever" went on to win the Album of the Year award at the 2016 Melon Music Awards. "Last Farewell" (Korean: 마지막 인사 ; Revised Romanization: "Majimak Insa") is a song by South Korean boy band Big Bang.  It was released through YG Entertainment on November 22, 2007 as the lead single from the quintet's second extended play "Hot Issue".  The song was written by G-Dragon and composed by the member and Brave Brothers.  Mirroring the success of the group's preceding single "Lies," the song went on to become a chart topper. Skool Luv Affair is the second extended play by South Korean boy band BTS.  The album was released on February 12, 2014.  It contains ten tracks, with "Boy in Luv" as the title track.  In April, the group promoted, "Just One Day," another track from the album.  The repackaged version was released on May 14 with two new tracks: "Miss Right" and "I Like It (Slow Jam Remix)".  The physical copy of the repackage album contains a total of 18 tracks with addition of six instrumentals. Got Love (stylized as GOT♡) is the second extended play by South Korean boy band Got7.  It was released on June 23, 2014 by JYP Entertainment.  The song "A" was used to promote the EP.
Answer: BTS