I Refuse This Marriage Proposal!

"Let's act like it never happened." I was supposed to grow into a beautiful woman and make him regret it, but instead, he’s showering me with overwhelming affection! "Look at me now," Felix sweetly whispers, as if trying to erase Livia's confusion. She came this far seeking revenge, but once again, she finds herself at his mercy. When their engagement was first arranged, Livia overheard Felix mutter that she was a "bother." Determined to become the perfect lady and make him regret his words before calling off the engagement, she devised a plan. However, Felix, using propriety as an excuse, suggested a temporary engagement period and began treating Livia like a real lover. His deep, passionate kisses and heated caresses stir Livia’s heart. Even though she knows it’s not genuine, she can’t stop her body from melting under his touch… Source: MangaPlaza