[He steps fully inside, learning against the door frame. Ah, there's that harmonica sticking out of a pocket.]

Well, it's your passion, isn't it? You don't have to be involved to have heard about Ayumu Narumi's skill with the piano.

[Just... not going to mention the part where it was usually in conjunction with Kiyotaka's name. They both know, and it adds nothing productive to the conversation.]

Haaa... I might have been able to keep up for a while, but you're really something. I'll have to practice more if I want to do a proper duet. [But that can't be helped - Ayumu's put a lot more effort into his music than Hizumi ever did. Although after that song... maybe he should look into the harmonica a bit more seriously.]