The Anime Lad
Shoko Nishimiya introduces herself to a new class with a notebook explaining that she is deaf. Shoya Ishida decides this makes her interesting to torment. Their classmates participate until an adult finally asks for accountability, at which point responsibility becomes surprisingly scarce. Years later, Shoya has learned sign language and approaches Shoko with the notebook he once threw away.
Gigguku
Shoko writes every introduction in a little notebook, and the film pays attention to each hand that accepts or rejects it. That detail broke me early. Years later, Shoya approaches her using sign language he learned himself. The animation catches every hesitation in their fingers. A conversation can stumble and restart. It still carries more feeling than a speech ever could.
Father's Basement
Centering the former bully is an immediate risk. The opening refuses to soften what Shoya did or isolate him from the classroom that encouraged it. When he meets Shoko again, sign language proves effort without magically proving character. The film keeps the old notebook between them as physical evidence. Repair begins with communication, not automatic absolution.