I was thinking that too because he seems in a rush to get the votes in, but that could be because he's just a rushy kind of person. I still don't know, we don't have enough information to make an educated guess *tears up* What if we choose the wrong person?

Mitsuo seems to be rushed
Yukiko just comes out of nowhere and votes, that's kinda suspicious...
Adachi did just skip out, but he works with daddy...
I just don't know