Ailing from Aiblinger's Horn Syndrome leads to horn growth on the scalp and triggers psychological and emotional struggles due to social bias, as well as the difficulty of hiding horns to fit in. Kanome, Mio's classmate, is one such victim. Despite his condition, he appears content, leaving Mio bewildered about his optimistic nature. Mio's frustration increases as she struggles to comprehend Kanome's situation and her own inner conflicts. The story progresses from this point.