How to Survive as a Supporting Character in The Tale of Chunhyang

'''I possessed Hyang-dan, not Sung Chun-hyang, the hottest girl of Joseon. I've lived my whole life as a sidekick, and even after possessing someone, I'm still a sidekick?! ...Or so I thought. "If you become my bride, I will cherish you like a princess." "Hyang-dan. I wrote a poem for you." "Puppy who's only known me for a day, don't you recognize me?" Why is everyone acting like this towards me, not the female lead Chun-hyang? A mere sidekick who covets the female lead's position is bound to get X-ed! [Confession First, Love Later / Possession in Chunhyangjeon / Rom-Com / Contract Relationship / Both Sides Stumbling / Unexpectedly Cheat Key Female Lead / Female Lead with Keen Eye fo...