My Brother's Girlfriend G!p Jennie X female reader

Jennie Kim sister of Kim Taehyung who is good at everything and always gets praised by everyone. He is Jennie's stepbrother and always annoys her and say her that she is good for nothing. Both of them hate each other. Jennie decided to take away everything from him. And the first thing was his girlfriend.

Bae Y/N girlfriend of Kim Taehyung and loves him a lot. One day she gets drunk and kisses someone and it turns out to be his boyfriend's sister. Will she fall for her? Or will she also hate her like Taehyung does?