Sayuki Tokihara is a prominent character in the anime series 'Kawaikereba Hentai Demo Suki ni Natte Kuremasu ka?' She is a senior student at Shouyou High School and the president of the calligraphy club. Sayuki is known for her beauty, intelligence, and a hidden masochistic side that she reveals to the protagonist, Keiki Kiryuu. Her character is central to the narrative, as her unusual request sets off a series of comedic and romantic events. Sayuki's dual nature adds depth to her character and challenges the protagonist's perceptions of his ideal partner.