A Sweet Contract Marriage: The Future Miracle Doctor Is No Joke!

(Contract marriage, satisfying early chapters, sweet later chapters, strong heroine) She was the leading physician of the interstellar empire, with exceptional medical skills, an S-rank genetic level, and formidable physical prowess! She self-destructed under the insectoid horde's assault, only to be reborn a thousand years in the past on ancient Earth, in the body of a wretched orphan in the modern age whose heart had been cut out by her own twin sister! With fate reset, she would once again reach the top. Everything fell into place! Her only real headache was a certain man she'd saved on a whim... Hey, hey, hey! I've already cured you, so why are you still coming after me? Come any closer and watch out for your head!