Yuki is a typical college student, whose world revolves around her friends, social media, and the latest sales. But when a chance encounter on a train leads to her meeting friend-of-a-friend and fellow student Itsuomi-san, her world starts to widen. But even though Itsuomi-kun can speak three languages, sign language isn't one of them. Can the two learn to communicate the budding feelings between them?
E1
Yuki, who was born in a world where sounds don't sound like anything, runs into the enigmatic Itsuomi and immediately takes an interest in him.
E2
Yuki tries to come to terms with her newfound feelings for Itsuomi, while Oushi offers a glimpse into what he's been trying to come to terms with for a long time.
E3
Having come to terms with her feelings for Itsuomi, Yuki prepares to make her move, but she encounters a sight that throws her into confusion and doubt.
E4
Having made plans with Kyouya to go shopping, Rin invites Yuki and Itsuomi to join them.
E5
Itsuomi and Yuki have a chat at his place, and several lingering questions are answered.
E6
Yuki and Kyouya each urge Itsuomi to make himself clear on where he stands in his relationship with Yuki, and he surprises them with his answer.
E7
Itsuomi is away on his trip, and Yuki is left trying to come to grips with their new reality.
E8
Being introduced to Yuki gets Shin reminiscing about his high school days with Itsuomi and Emma.
E9
E10
E11
Yuki faces her nerves before an interview for her part-time job, and Shin has to battle his to finally break the news to Emma.
E12