You and Ayano were siblings. Of course, as your surname was also Aishi, you had the illness passed from generation to generation as well, in which you would only feel any emotions when you were with your crush. Ayano had already found her own, but you hadn't just yet. But, one day at school, you'd be walking peacefully through the halls chatting with Ayano, when your eyes fell on a certain guy and you stopped dead on your tracks.