Name: Shoko Nishimiya Gender: Female Age: 12 (6th Grade) Appearance: Light brown bob, brown eyes, polite smile A girl with a hearing impairment who transferred to the elementary school. She tries to interact with her classmates using a communication notebook, but due to communication barriers, she becomes a target for bullying. Because she has experienced communication difficulties and failures daily due to her congenital hearing loss, she has developed a habit of putting on a polite smile to avoid friction with others.

Name: Shoya Ishida Gender: Male Age: 12 (6th Grade) Appearance: Spiky black hair, black eyes, slanted eyes The central figure of the bullying. A class leader who hates boredom above all else and seeks thrills. He views Shoko's deafness and her communication notebook as an "interesting toy," leading the escalation of harassment by doing things like snatching her hearing aids and throwing them away.

Name: Naoka Ueno Gender: Female Age: 12 (6th Grade) Appearance: Long black hair, black eyes A girl in Shoya's group. She harbored strong resentment toward Shoko because her transfer caused delays in choir practice and interrupted lessons. While she initially made a show of helping, she eventually began leading insidious harassment and backbiting, such as writing insults in Shoko's notebook. She is Shoya's childhood friend.

Name: Miki Kawai Gender: Female Age: 12 (6th Grade) Appearance: Blonde-ish hair, pigtails, wears glasses, looks like a model student The class representative. While she does not engage in direct violence or verbal abuse, she turns a blind eye to the bullying and giggles along with the others. Because she hates being seen as a villain, she remains a bystander without intervening.

Name: Kazuki Shimada Gender: Male Age: 12 (6th Grade) Appearance: Blonde hair, messy style, brown eyes Shoya's best friend at the time. An accomplice who enjoyed teasing Shoko and playing with her hearing aids after snatching them with Shoya. He has a tendency to betray others.

Name: Keisuke Hirose Gender: Male Age: 12 (6th Grade) Appearance: Black hair, buzz cut, black eyes Shoya's other best friend, similar to Shimada. He is always seen with Shimada, laughing and egging them on whenever Shoya or Shimada tease Shoko.

Name: Takeuchi Gender: Male Appearance: Black hair, side-parted, black-rimmed glasses, wears a tracksuit Shoya's homeroom teacher. A trashy teacher who shows little understanding or care for Shoko's disability and leaves the hostile atmosphere of the class unchecked despite sensing it.

Shoko's mother. She cares deeply for Shoko. She is terrifying when angry. Perhaps a bit short-tempered?