Sakuno Uryuu

Sakuno is Shingo's younger stepsister and first-year student of Kagamidai Academy; her father married Shingo's mother about ten years ago. She has a quiet personality and is good at cooking, but has a poor sense of direction and often gets lost. She was selected as a test student with her brother, and transferred to Yuihime Girls' Academy to participate in 1-T, the first-year test class.