[ Vanitas only knows what he's seen on the surface of this man, and what he's seen reminds him uncannily of the only other authority figure he's had in his life. He doesn't doubt Cao Pi would keep the strings of as many people wrapped around his fist as possible, but he also thinks this man is self serving at the expense of whomever will get in his way. Whether it's right or not doesn't matter, when this is the judgement Vanitas has already made. ]

It's only safe from the inside. We're not on the inside.

[ And this step, having tea, sharing information— it makes her vulnerable. Vanitas, coming from the dark side of things, refuses to accept how working together can often bring about a better end. From what he's seen, it's never worked out in his favor. ]

What proposal? That we all work together? I already know that's your aim, Daylight.