Dude, he literally says she's the one pulling.
Imagine a scenario where you touch my face, I pull you in, punch you and then say you're the one at fault because you initiated it
I know it's a stupid and hyperbolic example but I make my point.
Now, when they're on the ground, she tells him "she can't" but he insists, that's different, that's MC's fault for sure and he should've stopped, but he's still not to blame for
starting the whole making out thing imo.
Angry when? When she lashes out at the students?
She was frustrated I think, she couldn't stop thinking about MC and was frustrated that she couldn't stop.
That contradiction shows up again right after when she pulls MC in for a kiss, she thinks she shouldn't, but can't help herself.
That whole paradoxical and internal conflict of hers is basically her whole story until EP7 when she finally decides to date and take the ring off.