2019–2021: Career beginnings At the age of fourteen, Fourth participated in
Smart Boy 2019, a modelling contest hosted in conjunction with
Thai Supermodel Contest 2019 by
Channel 7 HD. He was scouted for his first commercial gig for the telecom company
DTAC. At the age of fifteen, Fourth joined
GMMTV's reality contest
Thailand School Star 2019. During the talent show, he performed a
Muay Thai dance ( ), highlighting his athleticism. He also met
Gemini Norawit Titicharoenrak, who would become his future acting partner. Fourth and Earn Preeyaphat Lorsuwansiri were chosen as the winners, both signing an exclusive contract with GMMTV. Fourth made his television debut in the role of Glakao Jundee, the younger brother of Gorya, played by
Tontawan Tantivejakul, in
F4 Thailand: Boys Over Flowers (2021). The show takes a musical approach by incorporating songs performed by the cast into the storytelling. Fourth began taking singing lessons for his role, sharing that he went from being shy and feeling awkward singing in front of a crowd, to enjoying performing and singing along with fans. Fourth later reprised his role as Gun in May 2023 in two episodes of the anthology series
Our Skyy 2. While
My School President was still ongoing,
Moonlight Chicken aired in early 2023, where Fourth played Li Ming, the nephew of Uncle Jim (
Pirapat Watthanasetsiri) and the love interest of Heart, also played by Gemini. The explosive popularity of
My School President and
Moonlight Chicken propelled Gemini and Fourth to significant fame and the duo quickly became popular as "GeminiFourth". Their fandom was given the name "Khunnoo" (), a title used to address a 'young master', heard in episode 4 of
My School President. The cast of
My School President went on to perform live on stage and met fans across Asia. In August, Fourth released his first solo single "อยู่เฉย ๆ ก็น่ารัก (Please Be Mine)". In June 2023, Fourth and Gemini participated in the group concert
Love Out Loud Fan Fest 2023: Lovolution alongside other GMMTV artists. In August, they headlined their first concert together,
Gemini Fourth My Turn Concert. Due to overwhelming interest in concert tickets, a second date was added.
2024–present: Riser Music, My Love Mix-Up! and Run the World Concert tour Fourth was revealed as a new artist under
Riser Music in February 2024. In March, he released his single "เทคะแนน (Candidate)" under the new label. Fourth went on to collaborate with rapper UrboyTJ, who produced his single "ง้อ (Alright)", released in August. He also worked with songwriter Kow of Fellow Fellow for his slow-pop single "ซึมซับ (Doubtless)", released in March 2025. In August 2025, Gemini and Fourth released their pop R&B duet "เรียกว่ารักได้ไหม (Is This Love?)". In September, Fourth released his single "Side to Side", featuring Mabelz of
Pixxie, produced by singer-songwriter Hye of Paper Planes. On 27 March 2024, Gemini and Fourth released their design of
My Ideal Fan, named "Look Khunnoo" (), which would become their fandom mascot and make appearances at fan events. In April 2024, at the
GMMTV 2024 Up & Above Part 2 press conference
, Fourth was announced as part of the cast for the
Thai adaptation of
Scarlet Heart. Fourth was originally set to appear alongside Gemini in the
girls' love series
23.5 (2024), but in July 2023, it was announced that they had withdrawn from the series in order to prepare for their roles in a new series. Gemini and Fourth went on to star in
My Love Mix-Up! (2024), which premiered on 7 June 2024. They also performed on the soundtrack for the series, where their opening theme song, "ลบยัง (Re-Move On)", won Best Theme Song at the
Asian Academy Creative Awards, Gemini and Fourth went on to headline their
Run the World Concert at the
Impact Arena on 31 August and 1 September 2024, showcasing their wide range of abilities, including singing, dancing and
rope acrobatics. GMMTV announced that the duo would embark on the
Run the World Asia Tour, continuing in Ho Chi Minh City in October and concluding on 29 June 2025 in Osaka. In January 2025, it was announced that Fourth would star alongside
Yorch Yongsin in the upcoming horror film
กฤษดาพาราไดซ์ Kijsada Paradise, directed by Mike Phontharis Chotkijsadarsopon. The film is scheduled to be released in theatres on 11 June 2026. Following the conclusion of the
Run the World Asia Tour, Gemini and Fourth returned to the Impact Arena for their AI-themed
A.W.A.K.E Concert on 30 and 31 August 2025. Gemini and Fourth also returned to the Impact Arena to perform at the
Riser Concert: The First Rise on 13–15 February 2026. In November 2025, it was announced that Gemini and Fourth would play the lead roles of Tong and Mew in the upcoming musical adaptation of the 2007 film
Love of Siam. The musical is scheduled to premiere at the Muangthai Rachadalai Theatre in December 2026. The name comes from the combination of
nu from Thai ,
mo from English
mouse, and
ne from Japanese , each meaning 'mouse'. The word , can also be used as a pronoun to refer to a younger person, giving the brand name a feeling of youthful brightness. The name can also be reinterpreted as
num and
one, as in
number one. == Personal life ==