If you truly hated her, you would have immediately killed that smug bitch when she put her hands on you.
But of course, the only way he COULD get rid of her is if he found hard evidence.
And it's pretty circumstantial at the moment.
Boy, oh boy.
I can't wait to see this next chapter.
And if this setup ain't gonna get rid of a yandere, where "Senpai-san" truly hates the yandere, then the author is doing something wrong.