Yuki Itose, who was born in a world where sounds don't sound like anything, runs into the enigmatic Itsuomi Nagi and immediately takes an interest in him.
Yuki tries to come to terms with her newfound feelings for Itsuomi, while Ôshi Ashioki offers a glimpse into what he's been trying to come to terms with for a long time.
Yuki nervously visits Itsuomi's house. She begins to want to know more about Itsuomi. Itsuomi also wants to know more about Yuki, but then Emma Nakazono comes to visit Itsuomi at his house.
