It would be nice if she actually learned some kind of lesson, but based of what i've seen in this series she'll probably end up turning it around on him somehow everything will be back to the way it was.
Reminder you chapters ago, maybe like a week ago she was moaning loudly next to his room, he thinks she has a boyfriend so he dont think of her has possible romantic partner.
You can date your idol, but being friend with someone who idolize you is fucking weird regardless where you are from
Dude probs genuinely wanted to be her friend and are trying out other outlets.