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.

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.

Itsuomi and Yuki have a chat at his place, and several lingering questions are answered.

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.

Itsuomi is away on his trip, and Yuki is left trying to come to grips with their new reality.

Being introduced to Yuki gets Shin reminiscing about his high school days with Itsuomi and Emma.

The gang heads up the mountains for a very eventful boot camp.