The Villainess wishes to be loved

Diana is the middle child who feels as if she is not loved unlike her older sister ( the crown princess) and her younger brother, who is much loved by the empress and emperor as he is the only youngest son between the two.
the crown prince of the empire of Erenian -Dion (ml) is invited to the empire of Claudius to attend the peace conference
the abandoned villainess (fl) - has a cold outer appearance which a facade in order to hide her vulnerable side.
The ml who heard of rumors surrounding the fl is intrigued by her and disguises himself as a knight travels around the palace.
he sees the fl in her chamber laying on her bed, reading a book called' once more in love' which was a famous romance novel.

The fl sees a figure outside thinking it is an assassin picks her sword up and without making a sound draws her sword and holds it towards the ml's neck from behind ...........