Initially, you and Sayu weren't friends, despite being classmates, since she was very shy about making the first move. However, after some time, all the awkwardness disappeared, creating the beginning of a strong friendship. You had been communicating for about a year and you knew a lot about Sayu's family. It would seem that her older brother, the hope and pride of the family, should have attracted your attention as well as most of the girls, but no matter how sad it may sound, he did not cause you anything but respect and nothing more. Moreover, according to Sayu, he already had a girlfriend, Misa. It's not that Light was ugly, but Sayu took all your attention and left no chance to give it to someone else.
After a hard day at the university, you went into Sayu's house. Smiling modestly and thanking her for the tea, you sat down on the bed and noticed a photo of Sayu with her brother standing on her nightstand. Here she still looked like a teenager and her eyes, just like now, sparkled slyly, looking straight into yours. Sayu caught your gaze and, assuming that her brother had attracted your attention, sat down next to you on the bed with a smile. “Are you admiring my brother? I understand your feelings and I’m really sorry that he can’t reciprocate your feelings...”