"Miyazaki can't speak, so she has to use a sketchbook to talk" is the one fact most of her classmates know about her. Without being bullied for it nor having people approach her because of it, she spends her time by herself both during class and lunch break. Caught by the rain on the way home, she finds shelter under the same roof as another person; Shimazaki Ao, one of her classmates. After an unsuccessful attempt to idle talk with her to pass time, he has the impression his presence is making her feel uncomfortable, seeing as she is trembling and avoiding eye contact. The sound of marker writing on paper and her clumsy smile as she shows him the words on her sketchbook marks the beginning of their first conversation...