>>280133317
>It is part of how she is kept in a child form anyway
That's literally just because he drank her blood to the point where she shriveled and had to take that form. It's the same thing that happened in the beginning of Kizu. Nothing new is happening there because of him.

>Both Araragi and Shinobu also seesaw between vampirism and humanism depending on how much they use their powers
She takes her blood back and then he takes it back after they're done.

>Kaiki denies the existence of oddities, it helps him deal with them better
He also mostly deals with local oddities and ones that are entirely made up. He, Kagenui, and Oshino all died when they fought Route X Kiss-Shot.