Yoshitoki Ōima

"Shoya is a bully. When Shoko, a girl who can't hear, enters his elementary school class, she becomes their favorite target, and Shoya and his friends goad each other into devising new tortures for her. But the children's cruelty goes too far. Shoko is forced to leave the school, and Shoya ends up shouldering all the blame. Six years later, the two meet again. Can Shoya make up for his past mistakes, or is it too late?"--provided from Amazon.com.

"A deaf elementary school girl, Shoko Nishimiya, upon transferring, meets a boy named Shoya Ishida in her new class. Shoya, who is not deaf, leads the class in bullying Shoko, because she is deaf. As the bullying continues, the class starts to bully Shoya for bullying Shoko. After graduating from elementary school, Shoko and Shoya do not speak to each other ... until later, when Shoya, tormented over his past, decides he must see Shoko once more....