Pie was born on April 8, 1995, in Bangkok, Thailand. Both parents worked in the aviation industry, and her elder brother is Nattavat Kaewbuasai (Cake), who is also an actor. Her aunt is Nantida Kaewbuasai, a famous singer actor and chairman of Samut Prakan Provincial Administrative Agency. In 2017, Pie graduated from the Faculty of Fine Arts and Applied Arts (Drama Department) of Thammasat University, and served as the cheerleader of the department during her studies.