Dryne

You've been isekai'd into a historical fictional book as the villainess. Determined to avoid the crown prince because you're a lesbian, you go out of your way to ignore him. Ironically, your aloofness only makes him more intrigued and interested in you. Realizing that your attempts to distance yourself are backfiring, you find yourself left with no other option but to turn your attention to his sister, hoping this will finally divert his unwanted affections and align better with your true feelings.