Question: She Is, is the first studio album, released on which date, by the South Korean singer-songwriter Kim Jong-hyun, better known by the mononym Jonghyun, is a South Korean singer-songwriter, and radio host?

Context articles: Walking With (album)
Park Yoo-chun
Story Op.1
Lovey (singer)
Kim Jong-hyun (singer)
Hyolyn
Kim Jong-hyun discography
List of songs written by Kim Jong-hyun
She Is
Juniel

Walking With () is the sixth solo studio album by South Korean pop singer-songwriter Kim Dong-ryool, and his seventh solo album overall.
 It was released on October 1, 2014 by the artist's label Music Farm and distributed by LOEN Entertainment.
 Guitarist (who has also been known as Lee Hyori's husband) and "Superstar K2" runner-up John Park participated on the album as featured artists.
 The album is the singer's first solo release since the holiday album "KimdongrYULE" (2011), and also his first studio album since "Monologue" (2008).
Park Yoo-chun (born June 4, 1986), formerly known as Micky Yoochun and better known by the mononym Yoochun, is a South Korean singer-songwriter and actor.
 He is a member of the South Korean boy group JYJ and former member of TVXQ.
 He has starred in dramas "Sungkyunkwan Scandal" (2010), "Miss Ripley" (2011), "Rooftop Prince" (2012), "Missing You" (2012), "Three Days" (2014) and "The Girl Who Sees Smells" (2015).
The Collection: Story Op.1 (Hangul: 소품집 : 이야기 Op.1 ; RR: "Sopunjib: Iyagi Op.1 " ) is the first compilation album by South Korean singer-songwriter Jonghyun, released on September 17, 2015 by S.M. Entertainment, following his solo debut with the mini album Base on January 12.
 The album was not promoted on music shows.
Kim Hye-soo (Korean: 김혜수) (born June 27, 1993), better known as Lovey (Korean: 러비), is a South Korean singer-songwriter.
 She debuted in 2013, and has been signed under Starship Entertainment since 2016.
 She has an elder brother who is also a singer-songwriter, Brother Su.
Kim Jong-hyun (born April 8, 1990), better known by the mononym Jonghyun, is a South Korean singer-songwriter, and radio host.
 He is a vocalist of the South Korean boy group Shinee, and has further participated in S.M. Entertainment's project group S.M.
 The Ballad.
 Jonghyun debuted as a solo artist on January 12, 2015, with his first EP, titled "Base".
 In the same year, on September 17, Jonghyun released a compilation album, "Story Op.1".
 On May 24, 2016, Jonghyun released his first studio album, "She Is", followed by his second compilation album, "Story Op.2" on April 24, 2017.
Kim Hyo-jung (born January 11, 1991), better known by her stage name Hyolyn, is a South Korean singer-songwriter.
 She is best known as a former member of South Korean girl group Sistar and their sub-unit Sistar19.
The discography of the South Korean singer Kim Jong-hyun (most often credited as Jonghyun) consists of one studio album, two compilation album, one extended play, seven singles and six appearances in soundtracks.
 Jonghyun released his first extended play, "Base", on January 12, 2015.
 His first compilation album, entitled "Story Op.1", was released on September 17, 2015.
 Jonghyun released a collaboration single with Heritage titled "Your Voice" on March 18, 2016, for the project Station.
 On May 24, 2016, he launched his first studio album, "She Is", containing a total of 9 songs.
 On December 9, 2016, he released the song "Inspiration" for the project Station.
 He released his second compilation album, titled "Story Op.2", on April 24, 2017.
Kim Jong-hyun (most often credited as Jonghyun), is a South Korean singer-songwriter and producer.
 He began his musical career in 2008 as a member of the group Shinee and later formed the ballad group S.M.
 The Ballad.
 Jonghyun debuted as a composer happened to write Korean lyrics for the Shinees promotional single "Juliette", which was featured in the mini-album "Romeo", released in May 2009.
 Participate in the writing of three songs on Shinee's second Korean studio album, "Lucifer", the first, "Up & Down", was co-written with Misfit with the rap being written by Minho, the second, "Obsession", was completely written by Jonghyun with Minho once again working on his own rap, and the third "Shout Out" co-written by all members of Shinee, JQ and Misfit.
 In 2012, Jonghyun co-wrote the lyrics to the song with "Alarm Clock" with Minho, a song about wishing to wake up from the nightmare of a past break up, and wrote the lyrics to "Honesty" which was described as a song written for the fans who had stayed by their side with unchanging love until that point.
 Both songs were featured on the mini album, "Sherlock".
She Is (Hangul: 좋아 ; RR: "Joh ah " "good") is the first studio album by South Korean singer-songwriter Jonghyun, released on May 24, 2016 by S.M. Entertainment and distributed by KT Music.
Choi Seo-ah (Korean: 최서아; born Choi Jun-hee on September 3, 1993) better known by her stage name Juniel (Hangul: 주니엘, often stylized as JUNIEL) is a South Korean singer-songwriter.
 She began her career in Japan before eventually debuting in South Korea.
 She was first known as 'Junie', but eventually changed her stage name to 'Juniel', which was derived from combining her name, Junie, and L for 'love'.
 She was also a member of the duo Romantic J with CNBLUE's Lee Jong-hyun under former label FNC Entertainment.
 In 2016, Juniel announced on her social media that she legally changed her native name from 최준희 (Choi Jun-hee) to 최서아 (Choi Seo-ah).