First Kanaphan Puitrakul is a Thai actor. He completed his secondary education at Suankularb Wittayalai School. In 2021, he graduated from the College of Social Communication Innovation at Srinakharinwirot University with a bachelor's degree in Cyber Business Management.

He started his acting career after auditioning from a pool of 100 teenagers and got the main role for The Assassin: ฆาตกร, a movie produced for Children's Day in 2016. In 2017, he participated in the "Cool Man Good Man" competition where he placed fourth and became part of KAZZ Magazine's photoshoot in November 2017. He officially debuted as an actor in 2018 with a supporting role in the series "Wake Up Ladies" (Wake Up ชะนี).

Aside his acting career, First owns the clothing brand 'MOMENTO'