The Villain's Cultivation System Is Truly Crooked to Be No Good

From [Cresent Wolf](https://www.mangaupdates.com/groups.html?id=14909) & [Sleep Deprived Pandas](https://www.mangaupdates.com/groups.html?id=14716):
Xia Xia, a modern scientist, was abandoned after being used by a scumbag ex-boyfriend, and unexpectedly crossed into the biggest antagonist in the world of mystery novels.

[Original Webcomic](https://www.kuaikanmanhua.com/web/topic/13221/)