A Silent Voice: The Movie (2016) Anime

Shōya Ishida bullies Shōko Nishimiya, a deaf girl who joins his elementary-school class. When Shōko eventually transfers schools, Shōya is blamed for the bullying and becomes isolated himself. Years later, overwhelmed by guilt and loneliness, he seeks Shōko out to apologize and make amends. Their difficult reunion gradually develops into a friendship as both teenagers confront bullying, disability, depression, social anxiety, forgiveness, and the possibility of redemption.