Nickname: FirstOne (เฟิร์สวัน) Birth Name: Pornthep Reungrat (พรเทพ เรืองรัตน์), legally changed to Wannakorn Reungrat (วรรณกร เรืองรัตน์) Birthday: August 1, 2000 Zodiac Sign: Leo Thai Zodiac Sign: Cancer Height: 176 cm (5’9½”) Weight: 58 kg Blood Type: A MBTI Type: N/A Nationality: Thai Instagram: @firstone.wnk X: @firstone_wnk TikTok: @firstone_wnk FirstOne Facts: – Education: Chiang Mai University (Faculty of Engineering – Bachelors) – He was born in Bangkok, Thailand, but moved around multiple times – to Nakhon Si Thammarat in 5th grade, then to Phitsanulok in 6th grade and finally to Chiang Mai in 7th grade. – He made his acting debut with a guest role in the drama Club Friday The Series 14: LOVE & BELIEF (2022). He played his first main role in the drama Secret Love (2024). – FirstOne made his solo debut on April 1, 2025, with the single “First Love”. – He auditioned for The Star (2022) but failed to make it to the top 8. – Upon changing his name to First, he combined the first syllable of his birth name with his new nickname, creating his current name. – He is currently paired with Tle for promotional activities. – His favorite foods are fried red sausage, salmon and spicy fried chicken wings and his favorite drink is cocoa. – His favorite colors are yellow, white, black and pink. – FirstOne’s favorite dessert is jelly and dark chocolate. He dislikes Thai dessert. – His favorite animals are dogs, rabbits and cats. – His favorite movie genre is action. – FirstOne likes to listen to T-POP, K-POP and R&B. – His favorite sports are badminton and basketball. – He is allergic to shrimp. – FirstOne joined the company in December 2022. He's very sweet and is devoted to Tle, his partner. He is very protective over him, even though he teases him a lot. No one else is allowed to.