Transmigrated as the Male Lead's Jilted Fiancée

[This novel is complete! This isn't one of my strongest works, but the ending is lovely, so it gets a happy conclusion. Also, thank you all for sticking with me and supporting me! Hope to see you again someday~] Yun Shu is transported into a novel aimed at male readers, where the male lead is reborn, and becomes his fiancee: a woman who looks down on him and bullies and oppresses him. As the future big shot, he was treated so terribly by the original Yun Shu that it's easy to imagine what her future holds. According to the original story, Yun Shu will be thoroughly used by the man she loves most, become terminally ill, go bankrupt, kneel and beg for help while offering herself willingly, only to be face-slapped. She refuses to break off the engagement, but the male lead cuts her off completely, leaving her wretched and miserable. The readers cheer. Yun Shu: ... -- System: The only plot point you need to complete is successfully breaking off the engagement! Yun Shu: I-I-I-I'll break it off willingly! Male lead: If you dare break it off, I'll break your legs! -- The female lead before the engagement is broken off: In her own eyes: pitiful, weak, and helpless; an evil disposable character with bad luck, with the whole world out to get her. In everyone else's eyes: a deranged, hard-core demon king. In the male lead's eyes: Cute. I want to... Life after the engagement is broken off: Female lead: Just survive until the next episode. Male lead: [...] One-on-one, HE. Theme: