"Oh shit. Wrong number." *quickly hangs up*
She starts off tsun and then goes dere.
Now obviously she's much more complicated of a character that doesn't just fit into standard archetype, but she could be classified as a tsundere.
>when she started off she didnt like araragi,
>after she was saved did she warm up to him
Tsundere, get it? Should I repeat it again so it sinks in you do you understand where the word comes from now?