Question: How Are You Bread stars a singer who is the leader of which boy group?

Context paragraphs:
Seventeen discography: This is the discography of South Korean boy group Seventeen.  Seventeen (Hangul: 세븐틴), also stylized as SEVENTEEN or SVT, is a South Korean boy group formed by Pledis Entertainment in 2015.  They have released one album and four EPs.

Lost Without Your Love (song): "Lost Without Your Love" is a song written and composed by David Gates, and originally recorded by the pop-rock group Bread, of which Gates was the leader and primary music producer.  It is the title track of Bread's 1976 album, and became their final Top 10 hit.

Kevin Woo: Christopher Thomas Woo (born November 25, 1991), known professionally as Kevin or Kevin Woo, is a American singer, actor and television host currently based in South Korea.  Born and raised in California, he was discovered by South Korean entertainment agency XING Entertainment at the age of fifteen and subsequently moved to South Korea.  After a few months training, Kevin debuted as a member of boy group XING in 2006 and withdrawal from the group two-years later.  In August 2008, he re-debuted as a member of boy group U-KISS.  In March 2017, he was official departure from U-Kiss after his contracts had expired with the agency.

History (band): History (Korean: 히스토리 ) was a South Korean boy group formed by LOEN Entertainment in 2013.  They debuted on April 26, 2013 with "Dreamer", featuring the narration of their labelmate IU.  They were LOEN Entertainment's first boy group.  They officially disbanded on May 12, 2017.

Suho: Kim Jun-myeon (born (1991--) 22, 1991 ), better known by his stage name Suho (meaning "guardian" in Korean), is a South Korean singer and actor.  He is a member and leader of the South Korean-Chinese boy group EXO and its sub-unit EXO-K.

How Are You Bread: How Are You Bread () is an upcoming South Korean-Chinese web drama starring Suho and Lee Se-young.  The drama will be aired in South Korea and China simultaneously in 2017, and is currently in discussion to air in 30 other countries.

School Boy Records: School Boy Records is an American record label established in 2007 by Scooter Braun through his School Boy Entertainment, part of SB Projects, a full-service entertainment and marketing company encompassing a wide range of ventures including Raymond Braun Media Group, SB Consulting, SB Management, and Sheba Publishing.  The label has a special business arrangement with Universal Music Group.  School Boy Records' success came with the signing of Asher Roth and his single "I Love College" followed by Roth's debut album "Asleep in the Bread Aisle".  They have also had huge success with Justin Bieber by the songs Baby (song) and One Time (Justin Bieber song) also Carly Rae Jepsen and her No.1 hit song "Call Me Maybe" which has been certified nine times platinum.  As of September 2012, Braun has signed Korean rapper Psy, whose hit "Gangnam Style" has eclipsed charts around the globe.  In late 2012, Universal Republic Records converted back to Republic Records, making all artists under the roster move to Republic.  School Boy is now distributed by Republic Records.

SF9 (band): SF9 (Korean: 에스에프나인 ; shortened from Sensational Feeling 9) is a South Korean boy group formed by FNC Entertainment.  SF9 is the company's first dance boy group to ever debut.  SF9 debuted on October 5, 2016 with the release of their first single album "Feeling Sensation".

Kang Seung-yoon: Kang Seung-yoon (born (1994--) 21, 1994 ), known as Seungyoon, is a South Korean singer-songwriter, record producer, actor, and leader of boy group Winner.  In 2010, he participated in the reality television singing contest "Superstar K2" and finished in fourth place.  In January 2011, he became a trainee under YG Entertainment and went on to debut as a solo artist in July 2013 and as the leader of Winner in October 2013.

Aubrey (song): "Aubrey" is a song written and composed by David Gates, and originally recorded by the pop-rock group Bread, of which Gates was the leader and primary music producer.  It appeared on Bread's 1972 album "Guitar Man."  The single lasted 11 weeks on the "Billboard" Hot 100 chart, peaking at number 15.  In Canada the song reached only number 41 on the pop singles chart, but reached number six on the adult contemporary chart.  In New Zealand, "Aubrey" reached number eight.

Supporting paragraphs: How Are You Bread Suho
Answer: EXO