A Sign of Affection, Volume 4

I want Itsuomi to take me with him into his world. Yuki is a Deaf college student who is captivated by and eventually falls for an upperclassman in her college, Itsuomi, who interacts with her naturally without paying any mind to her inability to hear. After making up her mind to face this love head on, Itsuomi asks her to go out with him, and the two become a couple. Yuki's taken one step into a whole new world, but where will it eventually lead to?