Original Title: 前女友了解一下［快穿］
Author: 小吾君
Source: https://www.jjwxc.net/onebook.php?novelid=3671588
Description:
Xin Lan used to be part of the Villain Department, but later joined the Face-Slapping Department, becoming a professional ex-girlfriend.
System: I have a hundred ways here to make your ex-boyfriend deeply regret it, from seducing heartbreakers to engaging in fierce battles. Which one would you like?
Xin Lan: Steal his woman.
System: ···
Xin Lan: Is that not good? Then I’ll threaten him, oppress him…
System: Let’s discuss how to steal his woman.