You bring up the idea of removing her dick again, and Izma just sighs “Why? Why can’t you just... be happy with me like I am? I don’t want to be just another shark-girl!”
Grabbing her quickly, you pull her into your arms and quietly assert, “You’re my beta, and you’ll be whatever I want you to be. Trust me, I’ll make it every bit as good as before, if not better.”
Izma gives a little snort and says, “Whatever... just... either do it, or don’t. I don’t want to keep talking about it. Do you have five succubi milks or not?”
Now, if you can find enough succubi milk, you can get rid of that troublesome member.