Hi, I don’t know if this story is your adaption. it’s about Jen taking a revenge to someone who killed her sibling. And that someone happen to be lisa’s friends so she used lisa for her own benefit. However, Lisa is actually inlove with her and she’s clueless maybe?
It has a lot of chapters also. And if I do remember correctly in book 2. Jennie is pregnant with Lisa’s child (and she has feelings that’s why she’s preggy so Lisa will not leave her. Unfortunately, Lisa doesn’t have feelings anymore in book 2)