Headcanon: Azami would probably listen to Girls Generation in secret. If Shiba or half of the Kamunabi find out it's over for him.
He also knows some choreography songs from the girl group.
Having a regular client feels like having a quasi-friend with whom you communicate both on work and on other nonsense.
Like, yea, I enjoy talking to you, but sometimes I'm scared of the amount of money you spend on art from me