I'll be completely honest, I'm not sure how this has an 8/10. It reads more like a 6 or 7. The story is contrived and the plot moves so fast it'll make your head spin. It's like the author wanted to finish this manga as quickly as possible, so they cut out all the character and relationship building that usually makes these stories so fun to read, although every aspect of this manga is pretty mediocre. If you'd like a good manga with a similar plot, you can read "Fiancée’s Observation Log of the Self-proclaimed Villainess" or "The Villainess Reverses the Hourglass". The authors in these works actually take their time to get you acquainted with the settings and characters, and a big bonus is that the protagonists are quite charming in their own way. Eliana herself is kind of just a blank, self-insert character, which is fine if you're just reading the manga for a wish-fulfillment type story, but it makes for a rather boring and predictable series of events.