The Shape of a Voice (a Japanese anime with sign language)
More popularly translated as "A Silent Voice", this is a Japanese anime from 2016, based on a Japanese manga series written and illustrated by Yoshitoki Ōima.
The story revolves around Shōya Ishida, a delinquent who in elementary school bullied his deaf classmate Shōko Nishimiya. Several years later, he meets her again and tries to redeem himself. Source
This film presents a mixture of Japanese and Japanese Sign Language. And there there is an English subtitled version. Anyone know what the age rating is? I couldn't find it on a quick sweep of Google and I'm heading to sleep.