Villainesses Have More Fun summary:
From growing up in a dysfunctional family to being cheated on, Sojin never had it easy. So after waking up in the body of villainess Reilynn Candmion, daughter of the empire’s wealthiest duke, all she wants is to revel in her riches. But something feels amiss when the story’s heroine, Iris, constantly starts fights with her -- from stealing her dress to seducing her fiancé. Reilynn wants no drama, but Iris and her four love interests won’t leave her alone! Can’t a girl just wanna have fun?