Koraphat Lamnoi

Koraphat Lamnoi (Thai: กรภัทร ลำน้อย; born September 4, 2000) is a Thai actor, singer, and model professionally known as Tutor. He is signed to Domundi TV and forms the on-screen pairing TutorYim with fellow Domundi actor Yim Pharinyakorn Khansawa, with whom he has co-starred in multiple BL dramas since 2022.

Tutor was born in Nan Province, Thailand. He attended the Faculty of Business Administration at the University of the Thai Chamber of Commerce, majoring in finance, and graduated in 2024.

Before his acting career, Tutor appeared in Domundi TV’s “Hot-boys Gang” YouTube content, which featured cover dances and travel vlogs from the agency’s roster of young talent. He made his television acting debut in 2021 with a guest role in A Tale of Thousand Stars, where he appeared as a soldier in episode 8 of the GMM 25 series, then rose to wider attention the following year as Nuea in Cutie Pie (2022), the role that first paired him on screen with Yim Pharinyakorn Khansawa.

Tutor and Yim went on to share the screen repeatedly across subsequent Domundi productions. The Middleman’s Love (2023) gave Tutor a main role as Mai Pakin, a character he had already played as a guest in Bed Friend (2023), and Our Winter (2023) brought the two together again as leads. In the same year he took a supporting part as Nuea in Naughty Babe. Tutor also played Shan in Battle of the Writers (2024) and Win in Zomvivor (2025). In 2026, he reunited with Yim in ChermChey as Intha, the confident owner of the ChermChey bar, their fourth on-screen pairing, following Cutie Pie, The Middleman’s Love, and Bed Friend.

Platforms and networks trace the growth of his credits. Cutie Pie was carried by Workpoint TV and iQIYI, while Bed Friend and Naughty Babe aired on One 31 and iQIYI. Battle of the Writers belonged to iQIYI, Zomvivor reached viewers on Netflix, and ChermChey was made for TrueVisions Now. In 2026 he also appeared as Roong in episode 8 of Workpoint TV’s Love Upon a Time and played Drip in the One 31 series The D Dorm Sitcom.

In 2025, Tutor became a member of DEXX, a six-member boy group under Domundi’s music label that debuted with the single “Clang Clang” on June 24, 2025. The group also includes James, Yim, Auau, Por and TeeTee. He is active on social media under the handle @krptt_ on Instagram and @TutorKrp on X. As of 2026, Tutor continues to work as both an actor and a member of DEXX, and remains one half of the TutorYim on-screen pairing with Yim Pharinyakorn Khansawa.