Sakuno Uryuu

Sakuno Uryuu is Shingo's younger stepsister and a first-year student at Kagamidai Academy. Quiet and skilled at cooking, she has a poor sense of direction and often gets lost. She and Shingo are selected as test students and transfer to Yuihime Girls' Academy's first-year test class. Sakuno becomes close friends with Airi the night before the transfer.