It is to me.

Your voice feels so bold and sharp at times... Maybe like how piano notes feel..? Then delicate and soft like strings when we're alone... Hm.

[He purposefully takes his time slipping his hand across her shoulders and towards her throat as he compliments her voice, only to gently slide his hand down her chest. Yuuto didn't need to physically rest his hand over her chest to know how fast her heart was beating.]

I can feel this too. Your heart beat feels so nice, Himeko...