Wo, I ca t believe you had Mitsuri say those words to Shinobu.
Also, we must all agree, who could possibly leave Nezuko?
Saya is for the sake of mother daughter sandwich.
As for Rei.
I was kinda torn between her and Kanou
An interesting thing to think about is that, while the mind-tweaking might seem not that bad now(in terms of control) there is the possibility that one of the incubus counter races purges what he's doing.