The Villainess Is Pregnant (Associated Names)

Kang Se-heon, a villain who tormented the main character in an Omega verse novel, suddenly finds himself reincarnated into that very antagonist role. What’s worse, he reincarnates just as he’s about to administer a heat-inducing drug to the main character! Tae-seo, the protagonist of the original story, thwarts Seo Da-rae’s plan to administer the drug…