LYKN (pronounced as lycan; ) is a Thai boy band formed through GMMTV's reality competition program Project Alpha. The group consists of five members: Nut, Hong, Tui, William, and Lego. They debuted on May 5, 2023, with the single " (May I?)".

Name The name LYKN was introduced during the Riser Music launching event "Get Rising to Riser" on April 5, 2023. The band's name being a homophone of the word "lycan" which represents the ability of a human being able to transform into a werewolf anytime. It is also an abbreviation for their official greeting "We Let You KNow".

History Pre-debut activities and formation through Project Alpha In April 2022, GMMTV announced its upcoming survival show Project Alpha, looking for male trainees between the ages of 16 and 24 years old. Six months later, it was announced the survival show would be airing soon. LYKN was formed through the show, which aired on GMM25 from December 4, 2022, until March 5, 2023. Out of 28 initial trainees participating, the final 5 were selected out of the remaining 8 trainees in the final episode. The final lineup were announced via the show finale, which was broadcast live on March 5, 2023.

Prior to appearing on the show, the members had already been involved in musical activities. Nut and Hong were active in K-pop cover dance groups, Nut was in the group Monkey Kiss and Hong was in TNT, often taking part in several competitions during their school days. Tui also did cover dance, but he didn't have his own team. He competed more often in vocal group competitions. William often played in musical theater during his school days, and he also took part in a few school bands including Broccoli in 2022. Lego was a member of the co-ed group 1stKidz from 2019 to 2021, and he also competed in the 2022 World Hip Hop Dance Championship.

2023: Debut with May I?, first overseas event, and No Worries short film On April 28, it was announced that LYKN would release their debut single "May I?" on May 5. The following day, the song's Thai title "" was revealed. The group officially debuted on May 5 alongside the release of the track's music video. Their debut single earned them the "Rookie of the Week" title for four consecutive weeks on T-Pop Stage Show. On May 16, LYKN attended the Kazz Awards 2023, marking their first public appearance since their debut. They also had their first overseas event, performing at the Thai Festival Tokyo 2023 for two consecutive days. On July 5, the group announced their official fandom name, LYKYOU (). Later that month, they performed in Japan again at the GMMTV Musicon in Tokyo.

On August 3, the group released their second single "UMM UMM" which had been teased with promotional photos and a video a few days prior. On October 30, they released the short film No Worries ahead of their comeback for their third single of the same name. The film follows two ghosts who take a trip to the world of the living on Halloween night. It features Rebecca Patricia Armstrong and the group members, marking their venture into acting. The single's music video was released two days later. On December 16, they performed in Indonesia for the first time at GMMTV Musicon in Jakarta. On December 19, the group collaborated with Sizzy on the GMMTV Starlympic 2023 theme song "Hui Lay Hui".

2024: Subsequent releases, first solo concert, and ThamePo series On February 22, LYKN released the group's version of "Last Twilight" on YouTube. The track serves as the soundtrack for the series of the same English name, which was originally performed by group member William. On March 26, Riser Music announced an upcoming collaboration, subsequently revealed to feature fellow GMMTV artists Joong and Pond for the group's fourth single "Charm". The single and its music video were officially released on various music platforms on April 4, followed two weeks later by a promotional dance flash mob featuring 200 participants was held at Siam Paragon.

On May 5, LYKN performed in Malaysia for the first time at the Banyak Bagus Festival. On May 10, the group was announced as a nominee for Best New Artist and Best T-POP Group at the 20th Kom Chad Luek Awards. The following day, they performed at the GOTCHA POP 2 Concert before embarking on a week-long promotional trip to Japan to perform at the Thai Festival Tokyo 2024, the GMMTV Fan-Event in Tokyo, and the Thai Festival in Nagoya. On May 28, LYKN won their first major award, receiving the Best New Artist at the 20th Kom Chad Luek Awards for their single "No Worries". On June 28, it was announced that the group would release their fifth single "Trust Me". The single and its music video, starring Narilya Gulmongkolpech and Puttipong Jitbut, were released on July 4.

On July 22, Riser Music announced that LYKN would hold their first solo concert titled "LYKN Unleashed Concert" on September 21 at Thunder Dome in Muang Thong Thani, Nonthaburi Province to an audience of 3,500. Tickets sold out immediately on the first day of sales on August 3. The three-hour concert featured guest appearances by Project Alpha contestants and their "Charm" collaborators Joong and Pond. During the show, the group performed a new track named after their fandom, "LYKYOU", which was written and composed by member Tui. The concert was livestreamed via The Concert website. Following the concert, Riser Music announced that LYKN would embark on their first Asia tour. A few days prior to the concert, on September 10, LYKN released their sixth single "Sugoi" following a series of concept photo teasers.

On October 24, it was announced that LYKN would release their seventh single "Trick or Treat". The track featured a Halloween theme similar to their third single but with a different musical tone, serving as a collaboration with Chrrissa Chotijirasathit, and was officially released on October 29. On November 23, they released LYKN's version of "From Now On" on YouTube, a soundtrack from the television series Kidnap (2024) originally sung by member Tui. On November 26, GMMTV managing director Sataporn Panichraksapong announced during the "GMMTV 2025: RIDING THE WAVE" conference that the LYKN Unleashed Asia Tour would visit five cities: Taipei, Jakarta, Tokyo, Singapore, and Phnom Penh, while hinting at future dates. On December 1, it was announced that the special single "LYKYOU", which had already been performed live during the concert, would receive a digital release and a music video on December 4.

In late 2024, LYKN starred in the series ThamePo: Heart That Skips a Beat as the fictional boy band MARS, marking their first on-screen acting role. The group's casting had been previously announced earlier that year during the "GMMTV 2024: UP & ABOVE Part 2" press conference. The series aired from December 2024 to March 2025 on GMM25 and Netflix. LYKN played the main characters in the series, with William as Teema Kanjanakittkul (Thame), Hong as Dylan Zhou, Nut as Junn Tangsakultham (Jun), Lego as Napassakorn Jatutaweechot (Nano), and Tui as Pavee Warisphol (Pepper). The group also performed several soundtrack songs for the series.

2025: First tour, first studio album Dusk & Dawn, and second solo concert The group opened their own YouTube channel on January 6, subsequently migrating their content away from the Riser Music channel. The following month, they launched the LYKN Unleashed Asia Tour, performing at the Bekasi Convention Center in Jakarta on February 23, followed by four stops in Tokyo, Singapore, Phnom Penh, and Taipei. Amidst their tour schedule, LYKN was named the Best Boy Group of The Year at The Guitar Mag Awards 2025 on March 11.

On April 21, Riser Music outlined the group's upcoming schedule for the year. This included a new single in May followed by consecutive song releases, their first studio album in June, and their first official photobook in August. The label also announced an album fan-signing event for September, leading up to their second solo concert at the Impact Arena on October 18. On May 5, LYKN revealed the title of their first studio album, Dusk & Dawn. The 12-track album featured four new songs scheduled for consecutive release. They also added six additional stops to their itinerary, including Macau, Ho Chi Minh City, Bengaluru, Delhi, Los Angeles, and Manila, renaming the venture the LYKN Unleashed Tour. The following day, they announced "First Sight" as the album's seventh track, releasing the single and its music video starring Rachanun Mahawan on May 14. On June 20, LYKN added Mexico City and New York City to the schedule, upgrading the venture into the LYKN Unleashed World Tour. A few days later, the group introduced "Drip" as the album's eighth track. Produced by UrboyTJ, the song was released alongside a music video starring Jittanan Sirisamrit on July 4.

On August 13, LYKN announced that their second concert would share its title with their first album, Dusk & Dawn, and expand into a two-day event. Tickets went on sale on August 30, with all 24,000 seats for the two Impact Arena shows selling out shortly after release. Three days prior, they released the ninth track "Foreground", along with a music video starring Pathitta Pornchumroenrut and Thanachai Sakchaicharoenkul. On September 5, GMMTV announced that the American leg of the tour had been postponed due to visa issues, with the three shows rescheduled to March 2026. Later that month, on September 24, the group held a fan-signing event to promote the album prior to its digital release on October 14, alongside its tenth track "Feel Like Me", which featured Thai rapper SMEW, the winner of The Rapper 2021.

On October 18–19, LYKN held their second concert titled "LYKN Dusk & Dawn Concert" at the Impact Arena. Both shows were completely sold out and lasted for more than four hours each. The event featured special guest appearances by UrboyTJ on the first day and Jeff Satur on the second day, alongside labelmates Felizz, a new girl group who performed on both dates. The concert was also streamed live via ThaiTicketMajor.

On November 25, during the "GMMTV 2026: Magic Vibes Maximized" press conference, GMMTV managing director Sataporn Panichraksapong announced several upcoming projects for the group. These plans included the development of LYKN's second studio album, their third solo concert, and a full-scale international venture, titled the LYKN Dusk & Dawn World Tour. Scheduled across 2026, the tour was promoted as the first full-scale world tour by a T-pop group, encompassing 18 cities across Europe, North America, South America, and Asia. On December 7, Riser Music announced its label-wide joint festival, "Riser Concert: The First Rise", featuring LYKN and scheduled as a two-day event on February 14–15, 2026, at the Impact Arena.

2026–present: Dusk & Dawn World Tour, Reflexion, and solo releases On February 10, LYKN released the Latin-influenced dance-pop single "No Way". Three days later, the group performed at the label-wide Riser Concert at the Impact Arena, which had been expanded to a three-day run from February 13–15 due to rapid ticket sales. Shortly after the concert, on February 19, LYKN member Lego underwent a traditional Thai Buddhist ordination ceremony to enter temporary monkhood, which was attended by his fellow group members. Following the ceremony, LYKN embarked on the rescheduled American leg of their previous tour, which had been postponed due to visa issues. During their final stop in Los Angeles, the group officially announced the upcoming dates for the American leg of the LYKN Dusk & Dawn World Tour.