Riko Yokoya

Riko is an 11-year-old girl in her fifth year of elementary school and the younger sister of the main character, Hitoyoshi Yokoya. She currently lives together with her mother and is known for her exceptionally lively and curious nature. She deeply admires those who are both beautiful and powerful, and upon meeting the maid Yuki for the first time, she instantly developed a strong fondness for her, coming to regard Yuki as an admired older sister figure. Since then, Riko has actively worked to bring Yuki and her brother closer together, making her a key driving force behind their relationship.