A Sign of Affection stands out for making Japanese Sign Language an important part of its romance and storytelling. The creators researched Deaf culture and consulted people familiar with Japanese Sign Language to make Yuki’s communication more authentic. One interesting challenge was drawing both hand signs and facial expressions clearly at the same time. The story also contrasts Yuki’s visual way of communicating with Itsuomi’s love of spoken languages and international travel, making their relationship unique. The anime is based on the manga by suu Morishita, which began in 2019 before receiving its 12-episode anime adaptation in 2024.
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The creators of A Sign of Affection actually interviewed teachers at a school for Deaf students and consulted a sign-language supervisor while developing the manga. They also deliberately studied books about Deaf experiences and sign language before creating the series.
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