Ritsuka Saiki is a central character in the anime series 'Sousai Shoujo Teien.' Known for her strong-willed personality and passion for architecture, Ritsuka is an intelligent and determined high school student. She is deeply involved in the school's architecture club, where she showcases her creativity and leadership skills. Throughout the series, Ritsuka navigates various challenges, both personal and academic, as she strives to achieve her dream of becoming a renowned architect. Her journey is marked by growth, friendship, and self-discovery, making her a relatable and inspiring character for the audience.