Chonnasorn Sajakul

Biography

Chonnasorn Sajakul (Thai: ชลนสร สัจจกุล; RTGS: Chonnason Satchakun; born November 18, 1996), known professionally as Sorn (Korean: 손; Thai: สร), is a Thai singer based in South Korea. She was the winner of the first season of K-Pop Star Hunt in 2011. She later debuted as a member of the South Korean girl group, CLC, under Cube Entertainment, from their debut in March 2015 until her departure from the group in November 2021. She also produces videos for her YouTube channel Produsorn (stylized in all caps), which launched in 2019. On December 3, 2021, Sorn signed with Wild Entertainment Group as a solo artist.

Early life

As a child, her mother allowed her to have vocal lessons at the Grammy Vocal Studio, in Bangkok, to achieve her goal of becoming a singer. She was born into a middle-class family. Her father, Wanasthana Sajakul, was a former member of the Thai parliament and former manager of the Thailand national football team, and her half-brother, Teerapat Sajakul, is an actor and singer in her home country.
Sorn was enrolled at an international school, in Thailand, from the age of 2. She was a student at the KIS International School in Bangkok and later graduated from the Korea Kent Foreign School in Seoul.

Pre-debut

In 2011, Sorn competed in tvN's K-Pop Star Hunt and was named winner of the first season.
Sorn moved to Korea to train at Cube Entertainment at 15. At the time, she was the company's first foreign, non-Korean trainee.
In 2012, she did a collaboration song with G.NA called "Because You Are The One," sung in English. In 2013, Sorn appeared in the documentary, Seoul: Capital of K-Pop (Inside K-Pop) where she talked about her trainee life and what it involved and appeared in a documentary which was focused on her future bandmate, Oh Seung-hee.

2015–2021: Debut with CLC and solo activities

Sorn was revealed as the first member of the girl group CLC. The group officially debuted on March 19, 2015, with their debut extended play, First Love.
On April 21, Sorn began livestreaming on the United Cube YouTube channel with her Cheat Key live series, Produsorn Live. The series ran for eight episodes until May 26, and featured her fellow CLC members. The series marked Cube Entertainment's first foray into YouTube livestreaming.
In January 2019, Sorn launched her own YouTube channel, also named Produsorn. Her videos are now uploaded exclusively on the Produsorn channel. She uploads a mixture of vlogs, song covers, Q&As, and unboxing videos. On August 18, 2021, Sorn had revealed that she deleted all her previous videos and has restarted her channel. Sorn originally began posting videos on TikTok in early 2020. She has accumulated over 2.5 million followers on the platform, as of September 2021.
In October 2020, Sorn released her first jewelry collection, Rise, in collaboration with Kapsul Collective. In December, she was announced as a participant in the trot reality show Miss Trot 2. The show will premiere on December 17. She was eliminated in the first round.
On February 8, 2021, Sorn surprise-launched her first makeup line, Don't Waste My Time, in collaboration with VT Cosmetics. On February 11, 2021, Cube TV’s reality program Steve JobSon premiered. The show documents the creation and development of the makeup line.
From March 9, Sorn began teasing a solo release on TikTok. On March 18, 2021, Cube Entertainment confirmed that Sorn would be making her solo debut on March 23 with the English digital single, "Run". Sorn personally participated in the cover artwork and music video for the release. Written and produced by Candace Sosa, "Run" is an acoustic pop song that is expected to present a charm that embodies the warm atmosphere of spring. Sorn was later featured on Emily Mei's debut single "My Domain", alongside Amber Liu on November 9.

2021–present: Departure from Cube, signing with Wild

On November 16, 2021, Cube Entertainment announced the termination of Sorn's contract with the label and her departure from CLC. The following month, it was announced that Sorn had signed with Wild Entertainment Group as a solo artist.
Sorn released her second single, "Sharp Objects×Sharp Objects24 February 2022 · SingleSpotifyYouTube Music (search)Tracklist · 1 track1Sharp Objects2:50", in February 2022. This was followed by the singles "Scorpio×Scorpio14 April 2022 · SingleSpotifyYouTube Music (search)Tracklist · 1 track1Scorpio3:36" in April, and "Save Me×Save Me23 June 2022 · SingleSpotifyYouTube Music (search)Tracklist · 1 track1Save Me3:40" in June. In September, she released "Nirvana Girl×Nirvana Girl15 September 2022 · SingleSpotifyYouTube Music (search)Tracklist · 1 track1Nirvana Girl3:34" featuring former CLC bandmate Yeeun. In May 2023, Sorn collaborated with Dutch DJ duo Yellow Claw in the song "Cold Like Snow×Cold Like Snow26 May 2023 · EPSpotify (search)YouTube Music (search)Tracklist · 5 tracks1Cold Like Snow3:072Cold Like Snow (slowed down)3:293Cold Like Snow (sped up)2:424Cold Like Snow (instrumental)3:035Cold Like Snow (acapella)3:09". In August, she released "Rowdy×Rowdy18 August 2023 · SingleSpotifyYouTube Music (search)Tracklist · 1 track1Rowdy2:37" featuring former CLC bandmate Seungyeon.
In February 2024, Sorn released the Valentine’s Day single "Cool". Subsequent released included "Crazy Stupid Lovers" featuring former Cube labelmate and Pentagon member Hongseok in May, and "Bad4Us×BAD4US26 July 2024 · SingleSpotifyYouTube Music (search)Tracklist · 2 tracks1BAD4US2:332BAD4US (sped up)2:19" in July, a collaboration with Australia-based Filipino singer J.Tajor. In October, she released her debut EP, Heartstorm×HEARTSTORM18 October 2024 · EPSpotifyYouTube Music (search)Tracklist · 4 tracks1Nobody2:272Cool Waters2:383Heartstorm2:514BAD4US (solo ver.)2:33. In April 2025, Sorn collaborated with the Indonesian DJ Whisnu Santika on the song "Lov3". In December, she released the song "Reservations" featuring i-dle's Minnie. In February 2026, she released the single "Call It What You Want×Call It What You Want13 February 2026 · SingleSpotifyYouTube Music (search)Tracklist · 1 track1Call It What You Want2:58". Sorn's debut album, Letters Left Unread×letters left unread27 March 2026 · Studio albumSpotifyYouTube Music (search)Tracklist · 7 tracks1Fractions2:122Reservations2:363Call It What You Want2:584Play Along2:365Bad Habit2:096Secret2:417Good Luck!2:35, was released the following month.

Activism

In 2017, Sorn began campaigning for fair royalty payments for foreign musicians based in South Korea. In a Facebook live interview she revealed that she was being paid six times less than her Korean members, but also acknowledged that her agency tried to help the situation. In an Instagram story posted in 2019, Sorn stated that the issue had been resolved with the Federation of Korean Music Performers (FKMP).

Personal life

In 2023, it was reported that Sorn maintained a residence in Singapore, and shuttled between Korea, Thailand, and Singapore. In a later interview, Sorn revealed that she spent half a year in Singapore, making music in both Korea and Singapore.