Good Boy (; , ) is an upcoming Thai boys' love television series starring Peemsan Sotangkur (Luke) and Metas Opas-iamkajorn (Mick), adapted from the web novel Jiraphat Will Be a Good Boy by cyn.d.r.
Directed by Siwaj Sawatmaneekul and produced by GMMTV and Studio Wabi Sabi, it was announced on 25 November 2025, during the GMMTV Magic Vibes Maximized event.
The series is set to premiere on GMM 25 and OneD on 11 October 2026, airing on Sundays at 20:30 ICT and 21:30 ICT, respectively.
Synopsis Jiraphat (Thitipoom Techaapaikhun), passes away at 30 years old with regrets. Receiving the opportunity to come back to start a new life at the age of 17 again, Ji (Metas Opas-iamkajorn) intends to use this second opportunity to change his life and live better than before. This return to his teenage years reunites him with Ruth (Peemsan Sotangkur), the student president and his childhood friend he had forgotten. As their relationship gradually becomes closer, Ji realises his second life is not only a chance to fix his past, but also an opportunity to get to know someone he never meant to let go of in his future.
Cast and characters Main Peemsan Sotangkur (Luke) as Atiwitch Rattanawatthana (Ruth) Metas Opas-iamkajorn (Mick) as Jiraphat Jaroenwong (Ji)
Supporting Tarnpol Pongnarisorn (Tata) as Tyler Hendricks Ing Asavanund as Kongphop Saetang (Kong) Jeeratch Wongpian (Fluke) as Tinnapob (Tin) Samantha Melanie Coates (Sammy) as Mai Juthapich Indrajundra (Jamie) as Jean Chayakorn Jutamas (JJ) as Gun Loetrattanaphanit Kridchayaan Attavipach (Prom) as Tontawan (Tawan) Itchayada Wiphupiphat (Earn) as Ployphailin (Ploy) Nichapa Praepeerakul (Mymé) as Lalita (Lita) Thamonchita Namkool (Mantra) as Phappim Thanasansamrit (Pim) Ratapirom Bandapraneat (Michiru) as Kessarin Thiratraiphusit (Ket) Srisirin Vichayasut (Artist) as Khwan Matas Bayseng (Geno) as Thiti Supakorn Kantanit (Guitar) as Min Phichayada Chonpaipimolrut (Pang) as Peach
Guest Tawan Vihokratana (Tay) as Atiwitch Rattanawatthana (Ruth) (Adult) Thitipoom Techaapaikhun (New) as Jiraphat Jaroenwong (Ji) (Adult)
Original soundtrack The official soundtrack for Good Boy features: Song Artist(s)LabelRef. "รักเลยตอนนี้ (Love Day)" Luke Peemsan and Mick Metas GMMTV Records
References