西村 沙奈

"I... love onii-chan, who's so focused on his goals...!" A childhood friend of Tetsuo who adores him as though he were her brother. After Tetsuo left his hometown to pursue his dream of becoming a railway employee, she followed him, persuading her parents to go with him by claiming it was to help him pass the entrance exams. She is usually reserved and kind, but she has a strong core, and she begins to take care of Tetsuo in various ways. She has feelings for Tetsuo, but keeps them to herself. [Translated from Official Site