Sorai is a unique Japanese given name derived from "sora," meaning "sky" or "heaven," bestowing a sense of vastness and freedom upon its bearer. Its earliest record dates back to the 11th-century "Eiga Monogatari," where it was used by characters in Emperor Ichijō's court. Throughout history, notable figures like Sorai Fujiwara (1643-1705) have carried this name, contributing significantly to Japanese society and culture. Today, Sorai remains a rare yet captivating choice among Japanese parents seeking distinctive names with deep cultural roots.